关于VS2005中GridView的自定义分页，单选、多选、排序、自增列的简单应用

关于VS2005中GridView的自定义分页，单选、多选、排序、自增列的简单应用

关于VS2005中GridView的自定义分页，单选、多选、排序、自增列的简单应用。
    多选时，只有全部选中时“多选”才选中。

    图片效果：

     简单示例，代码如下，
    fenpage.aspx的代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="fenpage.aspx.cs" Inherits="gridview_fenpage" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>

    <script language="javascript" type="text/javascript">
    // 判断多选是否与选中项（没有选中的返回false）
    function slcNo_click()
    {
        if (document.form1.checkboxname.length)
        {
            for (var i=0;i<document.form1.checkboxname.length;i++)
            {
                if(document.form1.checkboxname[i].checked)
                {
                    return true;
                }
            }
        }
        else
        {
            if(document.form1.checkboxname.checked)
            {
                return true;
            }
        }
        alert("请选择后再操作！");
        return false;
    }

    // 鼠标经过改变行的颜色
    if (!objbeforeItem)
    {
        var objbeforeItem=null;
        var objbeforeItembackgroundColor=null;
    }
    function ItemOver(obj)
    {
        if(objbeforeItem)
        {
            objbeforeItem.style.backgroundColor = objbeforeItembackgroundColor;
        }
        objbeforeItembackgroundColor = obj.style.backgroundColor;
        objbeforeItem = obj;
        obj.style.backgroundColor = "#B9D1F3";
    }
    //

    // 多选的全选与取消
    function checkJs(boolvalue)
    {
        if(document.all.checkboxname.length>1)
        {
            for(var i=0;i<document.all.checkboxname.length;i++)
            {
                document.all.checkboxname[i].checked = boolvalue;
            }
        }
        else
            document.all.checkboxname.checked = boolvalue;
    }
    //

    // 只有全部选中时“全选”选中
    function SingleCheckJs()
    {
        var flag1=false;
        var flag2=false;

        if (document.form1.checkboxname.length)
        {
            for (var i=0;i<document.form1.checkboxname.length;i++)
            {
                if(document.form1.checkboxname[i].checked)
                    flag1 = true;
                else
                    flag2 = true;
            }
        }
        else
        {
            if(document.form1.checkboxname.checked)
                flag1 = true;
            else
                flag2 = true;
        }

        if(flag1==true&&flag2==false)
            document.getElementById("chk").checked = true;
        else
            document.getElementById("chk").checked = false;
    }
    //
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <table cellpadding="0" cellspacing="0" border="0" width="80%" style="font-size: 11px">
                <tr>
                    <td align="center">
                        <asp:GridView ID="GridView1" runat="server" Width="100%" CellPadding="4" ForeColor="#333333"
                            AutoGenerateColumns="False" AllowPaging="True" PageSize="12" BorderColor="Silver"
                            BorderStyle="Solid" BorderWidth="1px" OnRowDataBound="GridView1_RowDataBound"
                            ShowFooter="True" EmptyDataText="没有数据记录！！" AllowSorting="True" OnSorting="GridView1_Sorting">
                            <Columns>
                                <asp:BoundField HeaderText="编号" DataField="id" Visible="False" />
                                <asp:TemplateField HeaderText="<input type='checkbox' id='chk' name='chk' onclick='checkJs(this.checked);'  />全选" FooterText="全选">
                                    <ItemTemplate>
                                        <input type="checkbox" id="checkboxname" name="checkboxname" value='<%# DataBinder.Eval(Container.DataItem, "id")%>' onclick='SingleCheckJs();' />
                                    </ItemTemplate>
                                </asp:TemplateField>
                                <asp:TemplateField HeaderText="单选" FooterText="单选">
                                    <ItemTemplate>
                                        <input type="radio" id="RadioName" name="RadioName" value='<%# Eval("id")%>' />
                                    </ItemTemplate>
                                </asp:TemplateField>
                                <asp:TemplateField HeaderText="自增列" FooterText="自增列">
                                    <ItemTemplate>
                                        <%# (Container.DataItemIndex+1).ToString()%>
                                    </ItemTemplate>
                                </asp:TemplateField>
                                <asp:BoundField HeaderText="姓名" FooterText="姓名" DataField="name" SortExpression="name" />
                                <asp:BoundField HeaderText="身份证号" FooterText="身份证号" DataField="card" SortExpression="card" />
                                <asp:BoundField HeaderText="价格" FooterText="价格" DataField="price" DataFormatString="{0:￥#,##0.00}"
                                    HtmlEncode="False" SortExpression="price" />
                                <asp:BoundField HeaderText="数字" FooterText="数字" DataField="price" DataFormatString="{0:0.00}"
                                    HtmlEncode="False" SortExpression="price" />
                                <asp:BoundField HeaderText="建立时间" FooterText="建立时间" DataField="createdate" DataFormatString="{0:yyyy年MM月dd日 hh时mm分ss秒}"
                                    HtmlEncode="False" SortExpression="createdate" />
                            </Columns>
                            <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
                            <EditRowStyle BackColor="#999999" />
                            <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
                            <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
                            <AlternatingRowStyle BackColor="White" ForeColor="#284775" />
                            <PagerSettings Visible="False" />
                            <FooterStyle Font-Bold="True" />
                            <HeaderStyle Font-Bold="False" Font-Italic="False" />
                        </asp:GridView>
                    </td>
                </tr>
                <tr>
                    <td align="center" style="height: 25px">
                        <asp:LinkButton ID="btnFirst" CommandArgument="first" OnClick="PagerButtonClick"
                            runat="server">首页</asp:LinkButton>
                        <asp:LinkButton ID="btnPrev" CommandArgument="prev" OnClick="PagerButtonClick" runat="server">上一页</asp:LinkButton>
                        <asp:LinkButton ID="btnNext" CommandArgument="next" OnClick="PagerButtonClick" runat="server">下一页</asp:LinkButton>
                        <asp:LinkButton ID="btnLast" CommandArgument="last" OnClick="PagerButtonClick" runat="server">尾页</asp:LinkButton>
                        <asp:Label ID="LblCurrentIndex" runat="server"></asp:Label>
                        <asp:Label ID="LblPageCount" runat="server"></asp:Label>
                        <asp:Label ID="LblRecordCount" runat="server"></asp:Label></td>
                </tr>
                <tr>
                    <td>
                        <asp:Button ID="Button2" runat="server" Text="checkbox得到选择的行" OnClick="Button2_Click">
                        </asp:Button>
                        <asp:Button ID="Button1" runat="server" Text="radio得到选择的行" OnClick="Button1_Click"></asp:Button>
                    </td>
                </tr>
            </table>
        </div>
    </form>
</body>
</html>

     fenpage.aspx.cs的代码：

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class gridview_fenpage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Button2.Attributes["onclick"] = "return slcNo_click();";
        GridViewBind("");
    }

    private void GridViewBind(string Sqlsort)
    {
        string connStr = ConfigurationManager.ConnectionStrings["ConnString1"].ConnectionString;
        string SqlStr = "SELECT * FROM test01 where id<1000" + Sqlsort;
        DataSet ds = new DataSet();

        try
        {
            SqlConnection conn = new SqlConnection(connStr);
            if (conn.State.ToString() == "Closed") conn.Open();

            SqlDataAdapter da = new SqlDataAdapter(SqlStr, conn);
            da.Fill(ds, "test01");
            if (conn.State.ToString() == "Open") conn.Close();

            GridView1.DataSource = ds.Tables[0].DefaultView;
            GridView1.DataBind();

            LblCurrentIndex.Text = "第 " + (GridView1.PageIndex + 1).ToString() + " 页";
            LblPageCount.Text = "共 " + GridView1 .PageCount.ToString()+ " 页";
            LblRecordCount.Text = "总共 "+ds.Tables[0].Rows.Count.ToString()+" 条";
            if (ds.Tables[0].Rows.Count == 0)
            {
                btnFirst.Visible = false;
                btnPrev.Visible = false;
                btnNext.Visible = false;
                btnLast.Visible = false;

                LblCurrentIndex.Visible = false;
                LblPageCount.Visible = false;
                LblRecordCount.Visible = false;
            }
            else if (GridView1.PageCount == 1)
            {
                btnFirst.Visible = false;
                btnPrev.Visible = false;
                btnNext.Visible = false;
                btnLast.Visible = false;
            }

            // 计算生成分页页码,分别为："首页" "上一页" "下一页" "尾页"
            btnFirst.CommandName = "1";
            btnPrev.CommandName = (GridView1.PageIndex == 0 ? "1" : GridView1.PageIndex.ToString());

            btnNext.CommandName = (GridView1.PageCount == 1 ? GridView1.PageCount.ToString() : (GridView1.PageIndex + 2).ToString());
            btnLast.CommandName = GridView1.PageCount.ToString();
            //
        }
        catch(Exception ex)
        {
            Response.Write("数据库错误，错误原因："+ex.Message);
            Response.End();
        }
    }
    protected void PagerButtonClick(object sender, EventArgs e)
    {
        GridView1.PageIndex = Convert.ToInt32(((LinkButton)sender).CommandName)-1;
        GridViewBind("");
    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        e.Row.Attributes["onmouseover"] = "ItemOver(this)";
    }

    protected void Button2_Click(object sender, EventArgs e)
    {
        string str="";
        string []ckb=null;

        str=Request.Form.Get("checkboxname");
        ckb=str.Split(new char[]{','});

        Response.Write("直接在页面中得到的值为："+str+"<br>");

        Response.Write("处理后存放在数组中，如下：<br>");
        for(int i=0;i<ckb.Length;i++)
        {
            Response.Write("ckb["+i+"]的值为："+ckb[i]+"<br>");
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Write(Request.Form.Get("RadioName"));
    }
    protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
    {
        string sql = "";

        if (ViewState["SortDirection"] == null || ViewState["SortDirection"].ToString().CompareTo("") == 0)
        {
            ViewState["SortDirection"] = " desc";
        }
        else
            ViewState["SortDirection"] = "";

        sql = " order by " + e.SortExpression + ViewState["SortDirection"];

        GridViewBind(sql);
    }
}

    数据库中表的生成代码：

CREATE TABLE [dbo].[test01] (
    [id] [decimal](18, 0) IDENTITY (1, 1) NOT NULL ,
    [name] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
    [card] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
    [createdate] [datetime] NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[test01] ADD
    CONSTRAINT [DF_test01_createdate] DEFAULT (getdate()) FOR [createdate],
    CONSTRAINT [PK_test01] PRIMARY KEY  CLUSTERED
    (
        [id]
    )  ON [PRIMARY]
GO
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原文地址：https://www.cnblogs.com/chenbg2001/p/1513302.html