自定义控件开发示例二

本实例开发的是一个由2个ListBox和8个ImageButton组成的列表组件
通过中间ImageButton可以控件列表项在两个列表中的位置
到全右移 个右移 个左移 全左移
通过右边ImageButton可以控件列表项在列表中的位置
到第一位 上一位 下一位 到最后位
示例图如下

因为时间关系 现只将示例源代码写出
示例代码

  1using System;
  2using System.Web.UI;
  3using System.Web.UI.WebControls;
  4using System.ComponentModel;
  5using System.Text;
  6
  7namespace JX_CC_LC
  8{
  9    /**//// <summary>
 10    /// LC_T02 的摘要描述。
 11    /// 清单类型控件项类型2
 12    /// 完成日期：2005-12-22
 13    /// 编码人员：Free
 14    /// </summary>
 15    //    [DefaultProperty("Text"), 
 16    //        ToolboxData("<{0}:LC_T02 runat=server></{0}:LC_T02>")]
 17    public class LC_T02 : WebControl, System.Web.UI.INamingContainer
 18    {
 19        //声明所要用到的 ListBox ,ImageButton
 20        private System.Web.UI.WebControls.ListBox ListBleft_LcT02;
 21        private System.Web.UI.WebControls.ListBox ListBright_LcT02;
 22
 23        private System.Web.UI.WebControls.ImageButton ibt_AllToR;
 24        private System.Web.UI.WebControls.ImageButton ibt_OneToR;
 25        private System.Web.UI.WebControls.ImageButton ibt_OneToL;
 26        private System.Web.UI.WebControls.ImageButton ibt_AllToL;
 27
 28        private System.Web.UI.WebControls.ImageButton ibt_First;
 29        private System.Web.UI.WebControls.ImageButton ibt_Pre;
 30        private System.Web.UI.WebControls.ImageButton ibt_Next;
 31        private System.Web.UI.WebControls.ImageButton ibt_Last;
 32
 33        private int wid = 150, hei = 200;
 34
 35        protected override void CreateChildControls()
 36        {
 37            this.Controls.Clear();
 38            //this.ClearChildViewState();
 39            //整体的大TABLE 
 40            this.Controls.Add(new LiteralControl("<table><tr><td><table><tr><td rowspan=5>"));
 41            //左半部分
 42            this.ListBleft_LcT02 = new ListBox();
 43            this.ListBleft_LcT02.Width = wid;
 44            this.ListBleft_LcT02.Height = hei;
 45            this.ListBleft_LcT02.ID = this.ID + "_leftListB";
 46            //this.ListBleft_LcT02.AutoPostBack=true;
 47            this.ListBleft_LcT02.MergeStyle(this.ControlStyle);
 48            this.Controls.Add(this.ListBleft_LcT02);
 49
 50            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 51            this.ibt_AllToR = new ImageButton();
 52            this.ibt_AllToR.ImageUrl = "img/alltoright.JPG";
 53            this.ibt_AllToR.Attributes.Add("onclick", this.ID + "_allToR_click();return false;");
 54            this.Controls.Add(this.ibt_AllToR);
 55            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 56            this.ibt_OneToR = new ImageButton();
 57            this.ibt_OneToR.ImageUrl = "img/onetoright.JPG";
 58            this.ibt_OneToR.Attributes.Add("onclick", this.ID + "_oneToR_click();return false;");
 59            this.Controls.Add(this.ibt_OneToR);
 60            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 61            this.ibt_OneToL = new ImageButton();
 62            this.ibt_OneToL.ImageUrl = "img/onetoleft.JPG";
 63            this.ibt_OneToL.Attributes.Add("onclick", this.ID + "_oneToL_click();return false;");
 64            this.Controls.Add(this.ibt_OneToL);
 65            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 66            this.ibt_AllToL = new ImageButton();
 67            this.ibt_AllToL.ImageUrl = "img/alltoleft.JPG";
 68            this.ibt_AllToL.Attributes.Add("onclick", this.ID + "_allToL_click();return false;");
 69            this.Controls.Add(this.ibt_AllToL);
 70            this.Controls.Add(new LiteralControl("</td></tr></table></td><td><table><tr><td rowspan=5>"));
 71            //右半部分
 72            this.ListBright_LcT02 = new ListBox();
 73            this.ListBright_LcT02.Width = wid;
 74            this.ListBright_LcT02.Height = hei;
 75            this.ListBright_LcT02.ID = this.ID + "_rightListB";
 76            //this.ListBright_LcT02.AutoPostBack=true;
 77            this.ListBright_LcT02.MergeStyle(this.ControlStyle);
 78            this.Controls.Add(this.ListBright_LcT02);
 79
 80            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 81            this.ibt_First = new ImageButton();
 82            this.ibt_First.ImageUrl = "img/first.JPG";
 83            this.ibt_First.Attributes.Add("onclick", this.ID + "_first_click();return false;");
 84            this.Controls.Add(this.ibt_First);
 85            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 86            this.ibt_Pre = new ImageButton();
 87            this.ibt_Pre.ImageUrl = "img/pre.JPG";
 88            this.ibt_Pre.Attributes.Add("onclick", this.ID + "_pre_click();return false;");
 89            this.Controls.Add(this.ibt_Pre);
 90            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 91            this.ibt_Next = new ImageButton();
 92            this.ibt_Next.ImageUrl = "img/next.JPG";
 93            this.ibt_Next.Attributes.Add("onclick", this.ID + "_next_click();return false;");
 94            this.Controls.Add(this.ibt_Next);
 95            this.Controls.Add(new LiteralControl("</td></tr><tr><td>"));
 96            this.ibt_Last = new ImageButton();
 97            this.ibt_Last.ImageUrl = "img/last.JPG";
 98            this.ibt_Last.Attributes.Add("onclick", this.ID + "_last_click();return false;");
 99            this.Controls.Add(this.ibt_Last);
100            this.Controls.Add(new LiteralControl("</td></tr></table></td>"));
101            this.Controls.Add(new LiteralControl("</tr></table>"));
102
103            base.CreateChildControls();
104
105            //JS 部分
106            //all to right
107
108            System.Text.StringBuilder strbuild = new StringBuilder();
109            strbuild.Append("<script language='javascript'>");
110
111            strbuild.Append(" function " + this.ID + "_allToR_click(){");
112            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_leftListB.options.length;");
113            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_leftListB.options.length;");
114            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
115            strbuild.Append(" if(i>0){");
116            strbuild.Append(" var tempvalue=document.all." + this.ID + "_" + this.ID + "_leftListB.options[0].value;");
117            strbuild.Append(" var temptext=document.all." + this.ID + "_" + this.ID + "_leftListB.options[0].text;");
118            strbuild.Append(" var temp=new Array([tempvalue,temptext]);");
119            strbuild.Append(" for(ii=1;ii<i;ii++){");
120            strbuild.Append(" var iv=document.all." + this.ID + "_" + this.ID + "_leftListB.options[ii].value;");
121            strbuild.Append(" var it=document.all." + this.ID + "_" + this.ID + "_leftListB.options[ii].text;");
122            strbuild.Append(" temp.push([iv,it]);");
123            strbuild.Append(" }");
124            strbuild.Append(" for(jj=0;jj<j;jj++){");
125            strbuild.Append(" var jv=document.all." + this.ID + "_" + this.ID + "_rightListB.options[jj].value;");
126            strbuild.Append(" var jt=document.all." + this.ID + "_" + this.ID + "_rightListB.options[jj].text;");
127            strbuild.Append(" temp.push([jv,jt]);");
128            strbuild.Append(" }");
129            strbuild.Append(" temp.sort();");
130            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options.length=0;");
131            strbuild.Append(" for(ss=0;ss<i+j;ss++){");
132            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[ss]=new Option(temp[ss][1],temp[ss][0]);");
133            strbuild.Append(" }");
134            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_leftListB.options.length=0;");
135            strbuild.Append("} }</script>");
136
137            //one to right
138
139            strbuild.Append("<script language='javascript'>");
140            strbuild.Append(" function " + this.ID + "_oneToR_click(){");
141            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_leftListB.selectedIndex;");
142            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
143            strbuild.Append(" if(i>=0){");
144            strbuild.Append(" var tempvalue=document.all." + this.ID + "_" + this.ID + "_leftListB.options[i].value;");
145            strbuild.Append(" var temptext=document.all." + this.ID + "_" + this.ID + "_leftListB.options[i].text;");
146            strbuild.Append(" var temp=new Array([tempvalue,temptext]);");
147            strbuild.Append(" for(jj=0;jj<j;jj++){");
148            strbuild.Append(" var jv=document.all." + this.ID + "_" + this.ID + "_rightListB.options[jj].value;");
149            strbuild.Append(" var jt=document.all." + this.ID + "_" + this.ID + "_rightListB.options[jj].text;");
150            strbuild.Append(" temp.push([jv,jt]);");
151            strbuild.Append(" }");
152            strbuild.Append(" temp.sort();");
153            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options.length=0;");
154            strbuild.Append(" for(ss=0;ss<j+1;ss++){");
155            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[ss]=new Option(temp[ss][1],temp[ss][0]);");
156            strbuild.Append(" }");
157            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_leftListB.remove(i);");
158            strbuild.Append("} }</script>");
159
160            //one to left
161
162            strbuild.Append("<script language='javascript'>");
163            strbuild.Append(" function " + this.ID + "_oneToL_click(){");
164            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex;");
165            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_leftListB.options.length;");
166            strbuild.Append(" if(i>=0){");
167            strbuild.Append(" var tempvalue=document.all." + this.ID + "_" + this.ID + "_rightListB.options[i].value;");
168            strbuild.Append(" var temptext=document.all." + this.ID + "_" + this.ID + "_rightListB.options[i].text;");
169            strbuild.Append(" var temp=new Array([tempvalue,temptext]);");
170            strbuild.Append(" for(jj=0;jj<j;jj++){");
171            strbuild.Append(" var jv=document.all." + this.ID + "_" + this.ID + "_leftListB.options[jj].value;");
172            strbuild.Append(" var jt=document.all." + this.ID + "_" + this.ID + "_leftListB.options[jj].text;");
173            strbuild.Append(" temp.push([jv,jt]);");
174            strbuild.Append(" }");
175            strbuild.Append(" temp.sort();");
176            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_leftListB.options.length=0;");
177            strbuild.Append(" for(ss=0;ss<j+1;ss++){");
178            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_leftListB.options[ss]=new Option(temp[ss][1],temp[ss][0]);");
179            strbuild.Append(" }");
180            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.remove(i);");
181            strbuild.Append("} }</script>");
182
183            //all to left
184
185            strbuild.Append("<script language='javascript'>");
186            strbuild.Append(" function " + this.ID + "_allToL_click(){");
187            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_leftListB.options.length;");
188            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
189            strbuild.Append(" if(j>0){");
190            strbuild.Append(" var tempvalue=document.all." + this.ID + "_" + this.ID + "_rightListB.options[0].value;");
191            strbuild.Append(" var temptext=document.all." + this.ID + "_" + this.ID + "_rightListB.options[0].text;");
192            strbuild.Append(" var temp=new Array([tempvalue,temptext]);");
193            strbuild.Append(" for(jj=1;jj<j;jj++){");
194            strbuild.Append(" var jv=document.all." + this.ID + "_" + this.ID + "_rightListB.options[jj].value;");
195            strbuild.Append(" var jt=document.all." + this.ID + "_" + this.ID + "_rightListB.options[jj].text;");
196            strbuild.Append(" temp.push([jv,jt]);");
197            strbuild.Append(" }");
198            strbuild.Append(" for(ii=0;ii<i;ii++){");
199            strbuild.Append(" var iv=document.all." + this.ID + "_" + this.ID + "_leftListB.options[ii].value;");
200            strbuild.Append(" var it=document.all." + this.ID + "_" + this.ID + "_leftListB.options[ii].text;");
201            strbuild.Append(" temp.push([iv,it]);");
202            strbuild.Append(" }");
203            strbuild.Append(" temp.sort();");
204            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_leftListB.options.length=0;");
205            strbuild.Append(" for(ss=0;ss<i+j;ss++){");
206            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_leftListB.options[ss]=new Option(temp[ss][1],temp[ss][0]);");
207            strbuild.Append(" }");
208            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options.length=0;");
209            strbuild.Append("} }</script>");
210
211            //first
212
213            strbuild.Append("<script language='javascript'>");
214            strbuild.Append(" function " + this.ID + "_first_click(){");
215            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
216            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex;");
217            strbuild.Append(" if(i>1&&j>0){");
218            strbuild.Append(" var tempValue=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].value;");
219            strbuild.Append(" var tempText=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].text;");
220            strbuild.Append(" for(var h=j;h>0;h--){");
221            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[h].value=document.all." + this.ID + "_" + this.ID + "_rightListB.options[h-1].value;");
222            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[h].text=document.all." + this.ID + "_" + this.ID + "_rightListB.options[h-1].text;");
223            strbuild.Append(" }");
224            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[0].value=tempValue;");
225            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[0].text=tempText;");
226            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex=0;");
227            strbuild.Append("} }</script>");
228
229            //pre
230            strbuild.Append("<script language='javascript'>");
231            strbuild.Append(" function " + this.ID + "_pre_click(){");
232            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
233            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex;");
234            strbuild.Append(" if(i>1&&j>0){");
235            strbuild.Append(" var tempValue=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].value;");
236            strbuild.Append(" var tempText=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].text;");
237            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].value=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j-1].value;");
238            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].text=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j-1].text;");
239            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j-1].value=tempValue;");
240            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j-1].text=tempText;");
241            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex=j-1;");
242            strbuild.Append("} }</script>");
243
244            //next
245
246            strbuild.Append("<script language='javascript'>");
247            strbuild.Append(" function " + this.ID + "_next_click(){");
248            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
249            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex;");
250            strbuild.Append(" if(i>1&&j<i-1){");
251            strbuild.Append(" var tempValue=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].value;");
252            strbuild.Append(" var tempText=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].text;");
253            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].value=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j+1].value;");
254            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].text=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j+1].text;");
255            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j+1].value=tempValue;");
256            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[j+1].text=tempText;");
257            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex=j+1;");
258            strbuild.Append("} }</script>");
259
260            //last
261
262            strbuild.Append("<script language='javascript'>");
263            strbuild.Append(" function " + this.ID + "_last_click(){");
264            strbuild.Append(" var i=document.all." + this.ID + "_" + this.ID + "_rightListB.options.length;");
265            strbuild.Append(" var j=document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex;");
266            strbuild.Append(" if(i>1&&j<i-1){");
267            strbuild.Append(" var tempValue=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].value;");
268            strbuild.Append(" var tempText=document.all." + this.ID + "_" + this.ID + "_rightListB.options[j].text;");
269            strbuild.Append(" for(var h=j;h<i-1;h++){");
270            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[h].value=document.all." + this.ID + "_" + this.ID + "_rightListB.options[h+1].value;");
271            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[h].text=document.all." + this.ID + "_" + this.ID + "_rightListB.options[h+1].text;");
272            strbuild.Append("}");
273            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[i-1].value=tempValue;");
274            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.options[i-1].text=tempText;");
275            strbuild.Append(" document.all." + this.ID + "_" + this.ID + "_rightListB.selectedIndex=i-1;");
276            strbuild.Append("} }</script>");
277            this.Controls.Add(new LiteralControl(strbuild.ToString()));
278        }
279
280        protected override void Render(HtmlTextWriter writer)
281        {
282            this.EnsureChildControls();
283            base.Render(writer);
284        }
285
286
287        //控制图像显示
288        [Bindable(false),
289        Category("imagebuttonsrc"),
290        DefaultValue("")]
291        //全右移
292        public string alltoright_src
293        {
294            get
295            {
296                this.EnsureChildControls();
297                return ((ImageButton)Controls[3]).ImageUrl;
298
299            }
300            set
301            {
302                this.EnsureChildControls();
303                ((ImageButton)Controls[3]).ImageUrl = value;
304            }
305        }
306        //个右移
307        public string onetoright_src
308        {
309            get
310            {
311                this.EnsureChildControls();
312                return ((ImageButton)Controls[5]).ImageUrl;
313            }
314            set
315            {
316                this.EnsureChildControls();
317                ((ImageButton)Controls[5]).ImageUrl = value;
318            }
319        }
320        //个左移
321        public string onetoleft_src
322        {
323            get
324            {
325                this.EnsureChildControls();
326                return ((ImageButton)Controls[7]).ImageUrl;
327            }
328            set
329            {
330                this.EnsureChildControls();
331                ((ImageButton)Controls[7]).ImageUrl = value;
332            }
333        }
334        //全左移
335        public string alltoleft_src
336        {
337            get
338            {
339                this.EnsureChildControls();
340                return ((ImageButton)Controls[9]).ImageUrl;
341            }
342            set
343            {
344                this.EnsureChildControls();
345                ((ImageButton)Controls[9]).ImageUrl = value;
346            }
347        }
348        //最先
349        public string first_src
350        {
351            get
352            {
353                this.EnsureChildControls();
354                return ((ImageButton)Controls[13]).ImageUrl;
355            }
356            set
357            {
358                this.EnsureChildControls();
359                ((ImageButton)Controls[13]).ImageUrl = value;
360            }
361        }
362        //前一
363        public string pre_src
364        {
365            get
366            {
367                this.EnsureChildControls();
368                return ((ImageButton)Controls[15]).ImageUrl;
369            }
370            set
371            {
372                this.EnsureChildControls();
373                ((ImageButton)Controls[15]).ImageUrl = value;
374            }
375        }
376        //后一
377        public string next_src
378        {
379            get
380            {
381                this.EnsureChildControls();
382                return ((ImageButton)Controls[17]).ImageUrl;
383            }
384            set
385            {
386                this.EnsureChildControls();
387                ((ImageButton)Controls[17]).ImageUrl = value;
388            }
389        }
390        //最后
391        public string last_src
392        {
393            get
394            {
395                this.EnsureChildControls();
396                return ((ImageButton)Controls[19]).ImageUrl;
397            }
398            set
399            {
400                this.EnsureChildControls();
401                ((ImageButton)Controls[19]).ImageUrl = value;
402            }
403        }
404
405        //公开左右LISTBOX的相关属性和方法
406        //iDataSource
407        public object iDataSourceL
408        {
409            get
410            {
411                this.EnsureChildControls();
412                return ((ListBox)Controls[1]).DataSource;
413            }
414            set
415            {
416                this.EnsureChildControls();
417                ((ListBox)Controls[1]).DataSource = value;
418            }
419        }
420        public object iDataSourceR
421        {
422            get
423            {
424                this.EnsureChildControls();
425                return ((ListBox)Controls[11]).DataSource;
426            }
427            set
428            {
429                this.EnsureChildControls();
430                ((ListBox)Controls[11]).DataSource = value;
431            }
432        }
433        //
434        public string iDataTextFieldL
435        {
436            get
437            {
438                this.EnsureChildControls();
439                return ((ListBox)Controls[1]).DataTextField;
440            }
441            set
442            {
443                this.EnsureChildControls();
444                ((ListBox)Controls[1]).DataTextField = value;
445            }
446
447        }
448        public string iDataValueFieldL
449        {
450            get
451            {
452                this.EnsureChildControls();
453                return ((ListBox)Controls[1]).DataValueField;
454            }
455            set
456            {
457                this.EnsureChildControls();
458                ((ListBox)Controls[1]).DataValueField = value;
459            }
460
461        }
462        //
463        public string iDataTextFieldR
464        {
465            get
466            {
467                this.EnsureChildControls();
468                return ((ListBox)Controls[11]).DataTextField;
469            }
470            set
471            {
472                this.EnsureChildControls();
473                ((ListBox)Controls[11]).DataTextField = value;
474            }
475
476        }
477        public string iDataValueFieldR
478        {
479            get
480            {
481                this.EnsureChildControls();
482                return ((ListBox)Controls[11]).DataValueField;
483            }
484            set
485            {
486                this.EnsureChildControls();
487                ((ListBox)Controls[11]).DataValueField = value;
488            }
489
490        }
491        //iDataBind
492        public void iDataBindL()
493        {
494            this.EnsureChildControls();
495            ((ListBox)Controls[1]).DataBind();
496        }
497        public void iDataBindR()
498        {
499            this.EnsureChildControls();
500            ((ListBox)Controls[11]).DataBind();
501        }
502        //得到目前的索引 iSelectIndex
503        public int iSelectIndexL()
504        {
505            this.EnsureChildControls();
506            int i = ((ListBox)Controls[1]).SelectedIndex;
507            return i;
508        }
509        public int iSelectIndexR()
510        {
511            this.EnsureChildControls();
512            int i = ((ListBox)Controls[11]).SelectedIndex;
513            return i;
514        }
515        //得到ITEM的个数 iCountItem
516        public int iCountItemL()
517        {
518            this.EnsureChildControls();
519            int i = ((ListBox)Controls[1]).Items.Count;
520            return i;
521        }
522        public int iCountItemR()
523        {
524            this.EnsureChildControls();
525            int i = ((ListBox)Controls[11]).Items.Count;
526            return i;
527        }
528        //添加一个ITEM 到LISTBOX
529        public void iAddItemL(string addText, string addValue)
530        {
531            this.EnsureChildControls();
532            ListItem temp = new ListItem();
533            temp.Text = addText.Trim().ToString();
534            temp.Value = addValue.Trim().ToString();
535            ((ListBox)Controls[1]).Items.Add(temp);
536        }
537        public void iAddItemL(string addText)
538        {
539            this.EnsureChildControls();
540            ListItem temp = new ListItem();
541            temp.Text = addText.Trim().ToString();
542            ((ListBox)Controls[1]).Items.Add(temp);
543        }
544        public void iAddItemR(string addText, string addValue)
545        {
546            this.EnsureChildControls();
547            ListItem temp = new ListItem();
548            temp.Text = addText.Trim().ToString();
549            temp.Value = addValue.Trim().ToString();
550            ((ListBox)Controls[11]).Items.Add(temp);
551        }
552        public void iAddItemR(string addText)
553        {
554            this.EnsureChildControls();
555            ListItem temp = new ListItem();
556            temp.Text = addText.Trim().ToString();
557            ((ListBox)Controls[11]).Items.Add(temp);
558        }
559        //返回当前所选的Item项
560        public ListItem iSelectItemL()
561        {
562            this.EnsureChildControls();
563            int index = ((ListBox)Controls[1]).SelectedIndex;
564            int i = ((ListBox)Controls[1]).Items.Count;
565            if (index >= 0 && index < i)
566            {
567                return ((ListBox)Controls[1]).Items[index];
568            }
569            else
570            {
571                return null;
572            }
573        }
574        public ListItem iSelectItemR()
575        {
576            this.EnsureChildControls();
577            int index = ((ListBox)Controls[11]).SelectedIndex;
578            int i = ((ListBox)Controls[11]).Items.Count;
579            if (index >= 0 && index < i)
580            {
581                return ((ListBox)Controls[11]).Items[index];
582            }
583            else
584            {
585                return null;
586            }
587        }
588        //选择LISTBOX中第index项
589        public ListItem iSelectItemL(int index)
590        {
591            this.EnsureChildControls();
592            int i = ((ListBox)Controls[1]).Items.Count;
593            if (index >= 0 && index < i)
594            {
595                return ((ListBox)Controls[1]).Items[index];
596            }
597            else
598            {
599                return null;
600            }
601        }
602        public ListItem iSelectItemR(int index)
603        {
604            this.EnsureChildControls();
605            int i = ((ListBox)Controls[11]).Items.Count;
606            if (index >= 0 && index < i)
607            {
608                return ((ListBox)Controls[11]).Items[index];
609            }
610            else
611            {
612                return null;
613            }
614        }
615        //清空LISTBOX
616        public void iClearItemL()
617        {
618            this.EnsureChildControls();
619            ((ListBox)Controls[1]).Items.Clear();
620        }
621        public void iClearItemR()
622        {
623            this.EnsureChildControls();
624            ((ListBox)Controls[11]).Items.Clear();
625        }
626        //删除目前的所选值
627        public void iRemoveItemL()
628        {
629            this.EnsureChildControls();
630            int i = ((ListBox)Controls[1]).SelectedIndex;
631            if (i >= 0)
632            {
633                ((ListBox)Controls[1]).Items.Remove(((ListBox)Controls[1]).Items[i]);
634            }
635        }
636        public void iRemoveAtItemL(int index)
637        {
638            this.EnsureChildControls();
639            int i = ((ListBox)Controls[1]).Items.Count;
640            if (index > 0 && index < i)
641            {
642                ((ListBox)Controls[1]).Items.Remove(((ListBox)Controls[1]).Items[index]);
643            }
644        }
645
646        public void iRemoveItemR()
647        {
648            this.EnsureChildControls();
649            int i = ((ListBox)Controls[11]).SelectedIndex;
650            if (i >= 0)
651            {
652                ((ListBox)Controls[11]).Items.Remove(((ListBox)Controls[11]).Items[i]);
653            }
654        }
655        public void iRemoveAtItemR(int index)
656        {
657            this.EnsureChildControls();
658            int i = ((ListBox)Controls[11]).Items.Count;
659            if (index > 0 && index < i)
660            {
661                ((ListBox)Controls[11]).Items.Remove(((ListBox)Controls[11]).Items[index]);
662            }
663        }
664        //重载宽度
665        public override Unit Width
666        {
667            get
668            {
669                return base.Width;
670            }
671            set
672            {
673                base.Width = value;
674                this.EnsureChildControls();
675                ((ListBox)Controls[1]).Width = System.Convert.ToInt32(value.Value * 0.4);
676                ((ListBox)Controls[11]).Width = System.Convert.ToInt32(value.Value * 0.4);
677            }
678        }
679
680        //重载高度
681        public override Unit Height
682        {
683            get
684            {
685                return base.Height;
686            }
687            set
688            {
689                base.Height = value;
690                this.EnsureChildControls();
691                ((ListBox)Controls[1]).Height = System.Convert.ToInt32(value.Value * 0.98);
692                ((ListBox)Controls[11]).Height = System.Convert.ToInt32(value.Value * 0.98);
693            }
694        }
695
696
697    }//class
698}//namespace
699