• [转载]DEV控件:gridControl常用属性设置


    1.隐藏最上面的GroupPanel
      gridView1.OptionsView.ShowGroupPanel=false;

    2.得到当前选定记录某字段的值
      sValue=Table.Rows[gridView1.FocusedRowHandle][FieldName].ToString();

    3.数据只读
      gridView1.OptionsBehavior.Editable=false;

    4.不显示MasterDetailView
      gridView1.OptionsDetail.EnableMasterViewMode=false;

    5.修改最上面的GroupPanel内容
       gridView1.GroupPanelText="柳生飘絮";

    6.设置数据源:
       gridControl1.DataSource = dt;
       绑定每一列的FiledName--属性
       对于Oracle数据库,所有的在设计器里写的程序中的字段名必须大写,否则可能绑定不上字段,sqlserver没有这个限制.

    7.读写拷贝权限设置
      只读不可拷贝:
        ColumnViewOptionsBehavior.Editable = False

      只读可拷贝:
        ColumnViewOptionsBehavior.Editable = True
        OptionsColumn.AllowEdit = True
        OptionsColumn.ReadOnly = True

      可编辑:
        ColumnViewOptionsBehavior.Editable = True
        OptionsColumn.AllowEdit = True
        OptionsColumn.ReadOnly = False

    8.模板列的设置:
      到Columns中,在他的属性中找到ColumnEdit.
      以LookUpEdit为例:
      首先从Designer左边菜单In-Place Editor Repository中添加LookUpEdit.取名为Re1.然后.在他的Columns属性中添加3列.Caption依次为:编号,姓名,性别.FieldName依次为:FID,FNAME,FSEX.然后将Re1的NullText设置成空.
      AutoSearchColumnIndex属性设置为2.ImmediatePopup属性设置为True.
      SearchMode设置为OnlyInPopup.
      然后将这个模板列附加到我们上面提到的列1(也就是将列1的ColumnEdit属性设成Re1)
      最后我们还要在代码里面给Re1绑定数据源和显示项.
             Re1.DataSource = DALUse.Query("select fid,fname,fsex from dual").Tables[0];
             Re1.DisplayMember = "FSEX";
             Re1.ValueMember = "FNAME";

     

    9.设某一列文字和标题局中显示                 
       gridView1.Columns[0].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
       gridView1.Columns[0].AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;

     
    10.去掉某一列上面的自动筛选功能(Filter)                 
       gridView1.Columns[0].OptionsFilter.AllowAutoFilter = false;
       gridView1.Columns[0].OptionsFilter.AllowFilter = false;               
       gridView1.Columns[0].OptionsFilter.ImmediateUpdateAutoFilter = false;

     
    11.设置冻结列(左冻结)
      gridView1.Columns[0].Fixed= DevExpress.XtraGrid.Columns.FixedStyle.Left;

     
    12.得到单元格数据(0行0列)
       string ss=gridView1.GetRowCellDisplayText(0, gridView1.Columns[0]);
       string ss = gridView1.GetRowCellValue(0, gridView1.Columns[0]);

     
    13.设置单元格数据(将0行0列的单元格赋值123)
       gridView1.SetRowCellValue(0, gridView1.Columns[0], "123");

     
    13.手动添加dev的列
      DevExpress.XtraGrid.Columns.GridColumn Col1=new DevExpress.XtraGrid.Columns.GridColumn ();
      Col1.FieldName="FID";
      Col1.Visible=true;
      Col1.VisibleIndex=gridView1.Columns.Count;
      gridView1.Columns.Add(Col1);


    14.设置自动增加的行号,需要先添加给gridview添加事件CustomDrawRowIndicator

        private void gridview_CustomDrawRowIndicator(object sender,                            DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
        {
            if (e.Info.IsRowIndicator && e.RowHandle >= 0)
                    e.Info.DisplayText = (e.RowHandle + 1).ToString();
        }

    15.删除: (修改了dgvdel里的datagridviewdel方法)
        public static void datagridviewdel_Dev(DevExpress.XtraGrid.Views.Grid.GridView Mydgv)
        {
           if (MessageBox.Show("你确定要删除选中的记录吗?", "删除提示", MessageBoxButtons.YesNo,               MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2, 0, false) == DialogResult.Yes)
           {
               int iSelectRowCount = Mydgv.SelectedRowsCount;
               if (iSelectRowCount > 0)
               {
                 Mydgv.DeleteSelectedRows();
               }
           }
        }
     
    16. 新增: (对于新增,其本身的AddNewRow方法就可以做到)
        private void btn_add_Click(object sender, EventArgs e)
       
           gridView1.AddNewRow();  
         }
        具体如果对于新加行还有什么特别的设置,可以在它gridView1_InitNewRow事件中填写:
        private void gridView1_InitNewRow(object sender, DevExpress.XtraGrid.Views.Grid.InitNewRowEventArgs e)
        {
           ColumnView View = sender as ColumnView;
           View.SetRowCellValue(e.RowHandle, View.Columns[0], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[0])); //复制最后一行的数据到新行

                View.SetRowCellValue(e.RowHandle, View.Columns[1], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[1])); //复制最后一行的数据到新行

        }

     
    17. 保存 (第三方控件提供的RefreshData和RefreshDataSource方法对于保存数据都不好使,最后还是使用了Dgvsave的datagridviewsave方法,用这个方法就可以)


    18.特效:gridcontrol中有5种view 型式,普通的是gridview,然后分别为cardview、BandedView、Advanced BandedView、LayoutView;共5种。
      1)、view组中把OptionView下的viewmode 设置成“Carousel”就达到这种“旋转木马”式的gridcontrol view 特效了
      2)、layoutView1.OptionsCarouselMode.PitchAngle 这个属性决定“旋转木马”的pitch angle 螺距角; 螺旋角; 螺旋升角; 俯仰角; 倾角; 节锥半角
      3)、Roll Angle 属性决定着 倾侧角度
      4)、指定数据源,显示数据:
      //显示数据
            private void showData(List<Employee > list)
            {
                DataTable dt = new DataTable("OneEmployee");
                dt.Columns.Add("Caption", System.Type.GetType("System.String"));
                dt.Columns.Add("Department", System.Type.GetType("System.String"));
                dt.Columns.Add("PhotoName", System.Type.GetType("System.Byte[]"));

                for (int i = 0; i < list.Count; i++)
                {
                    DataRow dr = dt.NewRow();
                    dr["Caption"] = list[i].Name;
                    dr["Department"] = list[i].Department;
                    string imagePath = @"D:C#photos" + list[i].PhotoPath;
                    dr["PhotoName"] = getImageByte(imagePath);
                    dt.Rows.Add(dr);
                }
                gridControl1.DataSource = dt;
            }

            //返回图片的字节流byte[]
            private byte[] getImageByte(string imagePath)
            {
                FileStream files = new FileStream(imagePath, FileMode.Open);
                byte[] imgByte = new byte [files.Length ];
                files.Read(imgByte, 0, imgByte.Length);
                files.Close();
                return imgByte;
            }

    19.检查数据的有效性
      在gridview的ValidateRow事件中加入检查代码:
      #region 检查数据
      private void gridView1_ValidateRow(object sender, ValidateRowEventArgs e)
      {
      GridView view = sender as GridView;
      view.ClearColumnErrors();

      if (view.GetRowCellValue(e.RowHandle, "ReceiveDate") == DBNull.Value)
      {
      e.Valid = false;
      view.SetColumnError(view.Columns["ReceiveDate"], "必须指定日期");
      }

      }
      #endregion
      调用gridview.UpdateCurrentRow()方法执行检查


    最常用的DevExpress Winform 4个代码片段:

    一 、GridControl的删除操作

    private void rILinkEditInfoDel_Click(object sender, EventArgs e)
    {
         if (XtraMessageBox.Show("请确定是否删除当前记录?", "警告", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
         {
             DataRow row = gvInfos.GetDataRow(gvInfos.FocusedRowHandle);
              delByCode(row["Code"].ToString());
             XtraMessageBox.Show("操作成功!");
         }
    }

    二、绑定非数据表中列

    Hashtable ht = new Hashtable();

    private void gridView6_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
    {
         GridView View = sender as GridView;
         if (e.RowHandle >= 0)
         {
             object needAlert = View.GetRowCellValue(e.RowHandle, View.Columns["needAlert"]);
             if (needAlert != null & needAlert != DBNull.Value && needAlert.ToString().Trim() != "0" & View.GetRowCellValue(e.RowHandle, View.Columns["Value"]) != DBNull.Value)
             {
                 decimal AverValue = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["Value"]));
                 object MinValue = View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]);
                 object MaxVlaue = View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]);
                 if (MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString() != "" & MaxVlaue != DBNull.Value && MaxVlaue != null & MaxVlaue.ToString() != "")
                 {
                     decimal gridColumn2 = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]));
                     decimal gridColumn1 = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]));
                     if (gridColumn2 > AverValue || AverValue > gridColumn1)
                     {
                         if (!ht.ContainsKey("pic"))
                             ht.Add("pic", GetImage(1));
                         e.Value = ht["pic"];
                     }
                 }
             }
         }
    }

    /// <summary>
    /// 由资源文件获取图片
    /// </summary>
    /// <param name="key"></param>
    /// <returns></returns>
    byte[] GetImage(int key)
    {
         Image img = DevExpress.Utils.Controls.ImageHelper.CreateImageFromResources(string.Format("RiverSys.Resources.{0}.gif", key.ToString()), typeof(RiverInfos).Assembly);
         return DevExpress.XtraEditors.Controls.ByteImageConverter.ToByteArray(img, ImageFormat.Gif);
    }

    /// <summary>
    /// 动态根据条件设置行样式
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void gridView6_RowStyle(object sender, DevExpress.XtraGrid.Views.Grid.RowStyleEventArgs e)
    {
         GridView View = sender as GridView;
         if (e.RowHandle >= 0)
         {
             object needAlert = View.GetRowCellValue(e.RowHandle, View.Columns["needAlert"]);
             if (needAlert != null & needAlert != DBNull.Value && needAlert.ToString().Trim() != "0" & View.GetRowCellValue(e.RowHandle, View.Columns["Value"]) != DBNull.Value)
             {
                 decimal AverValue = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["Value"]));
                 object MinValue = View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]);
                 object MaxVlaue = View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]);
                 if (MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString() != "" & MaxVlaue != DBNull.Value && MaxVlaue != null & MaxVlaue.ToString() != "")
                 {
                     decimal gridColumn2 = Convert.ToDecimal(MinValue);
                     decimal gridColumn1 = Convert.ToDecimal(MaxVlaue);
                     if (gridColumn2 > AverValue || AverValue > gridColumn1)
                     {
                         e.Appearance.ForeColor = Color.Red;
                         e.Appearance.BackColor = Color.LightGray;
                     }
                 }
             }
         }
    }

    三、GridControl 中颜色选择控件

    private void gvMapColor_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
    {
         GridView view = sender as GridView;
         DataView dv = view.DataSource as DataView;
         if (e.IsGetData)
         {
             string strVal = dv[e.ListSourceRowIndex]["Color"].ToString();
             if (strVal != "")
             {
                 //e.Value = DevExpress.Utils.StyleLayout.ColorFromString(strVal);
                 e.Value = Common.HexToColor(strVal);
             }
         }
         else
         {
             //Color colorVal = DevExpress.Utils.StyleLayout.ColorFromString(e.Value.ToString());
             Color colorVal = (Color)e.Value;
             dv[e.ListSourceRowIndex]["Color"] = Common.RGB_HEX(colorVal.ToArgb());
         }
    }

    四、关于 GridControl 验证示例

    /// <summary>
    /// 初始化GridView,绑定数据
    /// </summary>
    /// <param name="parentId"></param>
    private void GridViewBindData(string parentId)
    {
    this.gridView1.Columns.Clear();
    this.FDs= areaSetupActionHelper.getDsRegionByParentId(parentId);
    this.gridCArea.DataSource =this.FDs.Tables[0].DefaultView;

        this.gridView1.Columns["id"].VisibleIndex = -1;
        this.gridView1.Columns["childCounts"].VisibleIndex = -1;

        this.gridView1.Columns["reg_id"].Caption = "区划编号";
        this.gridView1.Columns["reg_name"].Caption = "区划名称";
        this.gridView1.Columns["parent_id"].Caption = "父区划编号";
        this.gridView1.Columns["reg_desc"].Caption = "区划描述";
        this.gridView1.Columns["parent_id"].ImageIndex =1;
        this.gridView1.Columns["reg_desc"].ImageIndex = 0;

        RepositoryItemTextEdit textEditReg_Id = new RepositoryItemTextEdit();
        textEditReg_Id.Mask.EditMask =parentId+"\d{2,3}";
        textEditReg_Id.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.Regular;

        this.gridView1.Columns["reg_id"].ColumnEdit = textEditReg_Id;

        this.gridView1.Columns["reg_desc"].ColumnEdit = new RepositoryItemMemoExEdit();

        TreeListNode node = this.treelArea.FocusedNode.ParentNode;
        string fid = node==null?"0":node.GetValue("RegID").ToString().Trim();
        DataSet ds = areaSetupActionHelper.getDsRegionByParentId(fid);
        RepositoryItemLookUpEdit lookUEParent_Id = new RepositoryItemLookUpEdit();
        lookUEParent_Id.Columns.Add(new LookUpColumnInfo("reg_id", 40, "区划编号"));
        lookUEParent_Id.Columns.Add(new LookUpColumnInfo("reg_name", 40, "区划名称"));
        lookUEParent_Id.DataSource = ds.Tables[0].DefaultView;
        lookUEParent_Id.ValueMember = "reg_id";
        lookUEParent_Id.DisplayMember = "reg_id";
        this.gridView1.Columns["parent_id"].ColumnEdit = lookUEParent_Id;
    }
    /// <summary>
    /// gridView单元格验证的相关处理程序
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void gridView1_ValidatingEditor(object sender, DevExpress.XtraEditors.Controls.BaseContainerValidateEditorEventArgs e)
    {
    if (e.Valid == false&this.gridView1.FocusedColumn.FieldName == "reg_id")
    {
          e.ErrorText = "区划编号不合法!n应为父区划编号加2~3位数据组成!";  
        }
        if (this.gridView1.FocusedColumn.FieldName == "reg_name")
          
         Regex reg=new Regex(@"[u4e00-u9fa5]{1,20}");
         Match m=reg.Match(e.Value.ToString().Trim());
         if (m.Length != e.Value.ToString().Trim().Length)
         {
          e.Valid = false;
          e.ErrorText = "区划名称应为汉字n长度为1至20";
         }
        }
    }

    private void gridView1_InvalidValueException(object sender, InvalidValueExceptionEventArgs e)
    {
        if (MyDialog.Alert(" 您所填写的内容不符合规则n 要放弃您刚才对此项所做的更改吗?", "您所编辑的内容不符合规则", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
        {
         e.ExceptionMode = ExceptionMode.Ignore;
        }
    }

    /// <summary>
    /// gridView行验证的相关处理程序
    /// </summary>
    private void gridView1_ValidateRow(object sender, DevExpress.XtraGrid.Views.Base.ValidateRowEventArgs e)
    {
    string regid = this.gridView1.GetRowCellValue(e.RowHandle, "reg_id").ToString().Trim();
    string regName = this.gridView1.GetRowCellValue(e.RowHandle, "reg_name").ToString().Trim();
    if ( regid.Length < 1)
    {
         e.Valid = false;
         this.gridView1.SetColumnError(this.gridView1.Columns["reg_id"], "请填写区划编号!", DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default);
          // e.ErrorText = "区划名称不能为空!";
        }
        if (regName.Length < 1)
        {
         e.Valid = false;
         this.gridView1.SetColumnError(this.gridView1.Columns["reg_name"], "区划名称不能为空!", DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default);
        }
    }

    private void gridView1_InvalidRowException(object sender, DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgs e)
    {

        if (e.RowHandle >= 0)
        {
         if (this.gridView1.GetRowCellValue(e.RowHandle, this.gridView1.Columns["reg_id"]).ToString().Trim() == "" || this.gridView1.GetRowCellValue(e.RowHandle, this.gridView1.Columns["reg_name"]).ToString().Trim() == "")
         {
          if (MyDialog.Alert("  您所填写的内容不符合规则n 要放弃您刚才对此项所做的更改吗?", "您所编辑的内容不符合规则", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
          {
           e.ExceptionMode = ExceptionMode.Ignore;
          }
          else
          {
           e.ExceptionMode = ExceptionMode.NoAction;
          }
         }
        }
        else
        {
         e.ExceptionMode = ExceptionMode.Ignore;
        }
    }

     

    关于XtraGrid的使用(GridControl小结)来源:51编程网发布时间:2010-04-19Hits:146
    DevExpress XtraGrid的使用(AspxGridControl小结) 收藏

    自定义焦点行的方法: gridView_bcode.FocusedRowHandle = focuseRowInt; //通过设置GridView 的FocusedRowHandle属性
     
    view plaincopy to clipboardprint?
    //获取焦点行任意单元格的数据   
    ColumnView cv = (ColumnView)gridControl_Gongzi.FocusedView;//重新获取此ID 否则无法从表头连删获取不到id  
                            int focusedhandle = cv.FocusedRowHandle;  
                            object rowIdObj = gridView1.GetRowCellValue(focusedhandle, "id");  
                            if (DBNull.Value != rowIdObj)  
                            
                                FocusedRow_id = Convert.ToInt32(rowIdObj);  
                           
    //获取焦点行任意单元格的数据
    ColumnView cv = (ColumnView)gridControl_Gongzi.FocusedView;//重新获取此ID 否则无法从表头连删获取不到id
                            int focusedhandle = cv.FocusedRowHandle;
                            object rowIdObj = gridView1.GetRowCellValue(focusedhandle, "id");
                            if (DBNull.Value != rowIdObj)
                            {
                                FocusedRow_id = Convert.ToInt32(rowIdObj);
                            }
     view plaincopy to clipboardprint?
    //当数据发生变化时执行   
         private void gridView1_CellValueChanged(object sender, CellValueChangedEventArgs e)  
         
             int intRowHandle = e.RowHandle;  
             FocusedRow_bumen = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "bumen"));  
             FocusedRow_xingming = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "xingming"));  
             //FocusedRow_jibengongzi = Convert.ToDecimal(gridView1.GetRowCellValue(intRowHandle, "jibengongzi"));  
             object rowJibengongziObj = gridView1.GetRowCellValue(intRowHandle, "jibengongzi");  
             if (DBNull.Value != rowJibengongziObj)  
             
                 FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);  
             
         
       //当数据发生变化时执行
            private void gridView1_CellValueChanged(object sender, CellValueChangedEventArgs e)
            {
                int intRowHandle = e.RowHandle;
                FocusedRow_bumen = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "bumen"));
                FocusedRow_xingming = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "xingming"));
                //FocusedRow_jibengongzi = Convert.ToDecimal(gridView1.GetRowCellValue(intRowHandle, "jibengongzi"));
                object rowJibengongziObj = gridView1.GetRowCellValue(intRowHandle, "jibengongzi");
                if (DBNull.Value != rowJibengongziObj)
                {
                    FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);
                }
             } view plaincopy to clipboardprint?
    //设置焦点行的焦点单元格的位置  
    ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;  
    view.FocusedColumn = view.Columns["bumen"]; 
    //设置焦点行的焦点单元格的位置
    ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
    view.FocusedColumn = view.Columns["bumen"]; view plaincopy to clipboardprint?
    //当焦点行发生改变时执行 获取选中焦点行id  
           private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)  
           
               int intRowHandle = e.FocusedRowHandle;  
     
               object rowIdObj = gridView1.GetRowCellValue(intRowHandle, "id");  
     
               if (DBNull.Value != rowIdObj)//做个判断否则获取不到id后报错  
               
                   FocusedRow_id = Convert.ToInt32(rowIdObj);  
               
          
     //当焦点行发生改变时执行 获取选中焦点行id
            private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
            {
                int intRowHandle = e.FocusedRowHandle;
     
                object rowIdObj = gridView1.GetRowCellValue(intRowHandle, "id");
     
                if (DBNull.Value != rowIdObj)//做个判断否则获取不到id后报错
                {
                    FocusedRow_id = Convert.ToInt32(rowIdObj);
                }
            
     
     view plaincopy to clipboardprint?
    //焦点行的FocusedHandle为:  
     FocuseRow_Handle = -999998;  
    //获取焦点行的handle  
    ColumnView newview = (ColumnView)gridControl_Gongzi.FocusedView;  
     
                            FocuseRow_Handle = newview.FocusedRowHandle;  
    //回车添加新行  
      private void gridView1_KeyPress(object sender, KeyPressEventArgs e)  
              
            
                if (e.KeyChar == 13)  
                
                    ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;  
                    if(view.IsLastRow)  
                    
                        if (FocuseRow_Handle == 0)  
                        
                            gridView1.AddNewRow();  
                              
                            ColumnView newview = (ColumnView)gridControl_Gongzi.FocusedView;  
                              
                            newview.FocusedColumn = newview.Columns["bumen"];//定位焦点网格的位置  
                              
                            FocuseRow_Handle = newview.FocusedRowHandle;//获取新焦点行的FocuseRowHandle 并初始化全局变量FocuseRow_Handle供保存操作时判断是update还是insert   

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  • 原文地址:https://www.cnblogs.com/zzh1236/p/2666507.html
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