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  • 循环获得GridView里面的控件的值

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

     

    <script runat="server">

      // 计算数据,完全可以从数据看取得

      ICollection CreateDataSource()

      {

        System.Data.DataTable dt = new System.Data.DataTable();

        System.Data.DataRow dr;

        dt.Columns.Add(new System.Data.DataColumn("序号", typeof(System.String)));

        dt.Columns.Add(new System.Data.DataColumn("学生姓名", typeof(System.String)));

        dt.Columns.Add(new System.Data.DataColumn("语文", typeof(System.Decimal)));

        dt.Columns.Add(new System.Data.DataColumn("数学", typeof(System.Decimal)));

        dt.Columns.Add(new System.Data.DataColumn("英语", typeof(System.Decimal)));

        dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal)));

     

        for (int i = 0; i < 8; i++)

        {

          System.Random rd = new System.Random(Environment.TickCount * i); ;

          dr = dt.NewRow();

          dr[0] = i.ToString();

          dr[1] = "【孟子E章】" + i.ToString();

          dr[2] = System.Math.Round(rd.NextDouble() * 100, 2);

          dr[3] = System.Math.Round(rd.NextDouble() * 100, 2);

          dr[4] = System.Math.Round(rd.NextDouble() * 100, 2);

          dr[5] = System.Math.Round(rd.NextDouble() * 100, 2);

          dt.Rows.Add(dr);

        }

        System.Data.DataView dv = new System.Data.DataView(dt);

        return dv;

      }

     

      protected void Page_Load(object sender, EventArgs e)

      {

        if (!IsPostBack)

        {

     

          GridView2.DataSource = GridView1.DataSource = CreateDataSource();

          GridView2.DataBind();

          GridView1.DataBind();

        }

      }

     

      protected void Button1_Click(object sender, EventArgs e)

      {

        Ret1.Text = "";

        foreach (GridViewRow gvr in GridView1.Rows)

        {

          CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");

          if (ch.Checked)

          {

            Ret1.Text += "<li>GridView1 您选择的是(键值):" + GridView1.DataKeys

    [gvr.DataItemIndex].Value.ToString();

          }

        }

      }

     

      protected void Button2_Click(object sender, EventArgs e)

      {

        Ret2.Text = "";

        foreach (GridViewRow gvr in GridView2.Rows)

        {

          CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");

          if (ch.Checked)

          {

            Ret2.Text += "<li>GridView2 您选择的是(键值):" + GridView2.DataKeys

    [gvr.DataItemIndex].Value.ToString();

          }

        }

      }

     

      protected void CheckAll(object sender, EventArgs e)

      {

        CheckBox cbx = (CheckBox)sender;

        foreach (GridViewRow gvr in GridView1.Rows)

        {

          CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");

          ch.Checked = cbx.Checked;

        }

      }

    </script>

     

    <html xmlns="http://www.w3.org/1999/xhtml">

    <head>

      <title>GridView 实现服务器端和客户端全选的两种方法</title>

     

      <script type="text/javascript">

      //<![CDATA[

      function CheckAll(oCheckbox)

      {

       var GridView2 = document.getElementById("<%=GridView2.ClientID %>");

       for(i = 1;i < GridView2.rows.length; i++)

       {

        GridView2.rows[i].cells[0].getElementsByTagName("INPUT")[0].checked =

    oCheckbox.checked;

       }

      }

     

      //]]>

      </script>

     

    </head>

    <body>

      <form id="Form1" runat="server">

        <table style="800px;font-size:12px;">

          <tr valign="top">

            <td>

              <asp:GridView ID="GridView1" runat="server" Font-Size="12px"

    BackColor="#FFFFFF"

                GridLines="Both" CellPadding="4" DataKeyNames="序号"

    AutoGenerateColumns="false">

                <HeaderStyle BackColor="#EDEDED" Height="26px" />

                <Columns>

                  <asp:TemplateField>

                    <HeaderTemplate>

                      <asp:CheckBox ID="CheckBox1" runat="server" Text="全选"

    AutoPostBack="true" OnCheckedChanged="CheckAll" />

                    </HeaderTemplate>

                    <ItemTemplate>

                      <asp:CheckBox ID="ItemCheckBox" runat="server" />

                    </ItemTemplate>

                  </asp:TemplateField>

                  <asp:BoundField DataField="学生姓名" HeaderText="学生姓名" />

                  <asp:BoundField DataField="语文" HeaderText="语文" />

                  <asp:BoundField DataField="数学" HeaderText="数学" />

                  <asp:BoundField DataField="英语" HeaderText="英语" />

                  <asp:BoundField DataField="计算机" HeaderText="计算机" />

                </Columns>

              </asp:GridView>

              <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="得到

    选择的行值" />

            </td>

            <td align="right">

              <asp:GridView ID="GridView2" runat="server" Font-Size="12px"

    BackColor="#FFFFFF"

                GridLines="Both" CellPadding="4" DataKeyNames="序号"

    AutoGenerateColumns="false">

                <HeaderStyle BackColor="#EDEDED" Height="26px" />

                <Columns>

                  <asp:TemplateField>

                    <HeaderTemplate>

                      <input id="Checkbox2" type="checkbox" onclick="CheckAll(this)"

    runat="server" /><label>全选</label>

                    </HeaderTemplate>

                    <ItemTemplate>

                      <asp:CheckBox ID="ItemCheckBox" runat="server" />

                    </ItemTemplate>

                  </asp:TemplateField>

                  <asp:BoundField DataField="学生姓名" HeaderText="学生姓名" />

                  <asp:BoundField DataField="语文" HeaderText="语文" />

                  <asp:BoundField DataField="数学" HeaderText="数学" />

                  <asp:BoundField DataField="英语" HeaderText="英语" />

                  <asp:BoundField DataField="计算机" HeaderText="计算机" />

                </Columns>

              </asp:GridView>

              <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="得到

    选择的行值" />

            </td>

          </tr>

          <tr valign="top">

            <td>

              <asp:Literal ID="Ret1" runat="server"></asp:Literal>

            </td>

            <td align="right">

              <asp:Literal ID="Ret2" runat="server"></asp:Literal>

            </td>

          </tr>

        </table>

      </form>

    </body>

    </html>

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  • 原文地址:https://www.cnblogs.com/yeminglong/p/2212988.html
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