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循环获得GridView里面的控件的值

2012年11月20日 ⁄ 综合 ⁄ 共 5117字 ⁄ 字号 评论关闭

<!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="width: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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