请教gridview 模板列checkbox的问题

Question

gridview  中有两列模板列，里面都有checkboxhedaer上各有一个checkbox,当hedaer上的checkbox选中时，如何使对应的列的checkbox也都选中？

Answer 1

***.aspx
  <asp:GridView ID="GridView1" runat="server" 
                                                              AutoGenerateColumns="False" CssClass="news_bordall" DataKeyNames="ID" 
                                                               PageSize="20" 
                                                              Width="100%">
                                                              <Columns>
                                                                  <asp:TemplateField FooterText="全选" HeaderStyle-CssClass="news_dg_head" 
                                                                      HeaderText="选择">
                                                                      <HeaderTemplate>
                                                                          <asp:CheckBox ID="CheckBox2" runat="server" AutoPostBack="True" 
                                                                              OnCheckedChanged="CheckAll" Text="全选" />
                                                                          　　
                                                                      </HeaderTemplate>
                                                                      <ItemTemplate>
                                                                          <asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="True" 
                                                                              Font-Names="宋体" Font-Size="9pt" />
                                                                      </ItemTemplate>
                                                                      <HeaderStyle CssClass="news_dg_head" />
                                                                  </asp:TemplateField>
                                                                  <asp:TemplateField HeaderStyle-CssClass="news_dg_head" HeaderText="标题">
                                                                      <ItemStyle CssClass="dataGrid_item" HorizontalAlign="left" />
                                                                      <HeaderStyle />
                                                                      <ItemTemplate>
                                                                          <a href='../../Manager/ShowReportInfo.aspx?ID=<%# Server.UrlEncode(Eval("ID").ToString()) %>' 
                                                                              target="_blank">
                                                                          <img src="../../Manager/images/expand.gif" />
                                                                          <%# Component.GetStr.GetString(Eval("Title").ToString())%></a>
                                                                      </ItemTemplate>
                                                                  </asp:TemplateField>
                                                                  <asp:TemplateField HeaderStyle-CssClass="news_dg_head" HeaderText="作者">
                                                                      <ItemStyle CssClass="dataGrid_item" HorizontalAlign="left" />
                                                                      <HeaderStyle />
                                                                      <ItemTemplate>
                                                                          <%# Eval("Author") %>
                                                                      </ItemTemplate>
                                                                  </asp:TemplateField>
                                                                  <asp:TemplateField HeaderStyle-CssClass="news_dg_head" HeaderText="发布日期">
                                                                      <ItemStyle CssClass="dataGrid_item" HorizontalAlign="left" />
                                                                      <HeaderStyle />
                                                                      <ItemTemplate>
                                                                          <%# Eval("InfoPublDate") %>
                                                                      </ItemTemplate>
                                                                  </asp:TemplateField>
                                                              </Columns>
                                                              <PagerStyle ForeColor="#666666" Font-Overline="true"   />
                                                          
                                                          </asp:GridView>
***.aspx.cs
 protected void CheckAll(object sender, EventArgs e)
        {
            CheckBox cb = (CheckBox)sender;            if (cb.Text == "全选")
            {
                foreach (GridViewRow gv in this.GridView1.Rows)
                {
                    CheckBox cd = (CheckBox)gv.FindControl("CheckBox1");
                    cd.Checked = cb.Checked;
                    cb.Text = "取消";
                }
            }
            else
            {
                cb.Text = "取消";
                foreach (GridViewRow gv in this.GridView1.Rows)
                {
                    CheckBox cd = (CheckBox)gv.FindControl("CheckBox1");
                    cd.Checked = cb.Checked;
                    cb.Text = "全选";
                }            }
        }

Answer 2

当header的checkbox选择时,循环找到gridview item的checkbox,设置checked=true

Answer 3

protected void CheckAll(object sender, EventArgs e)
        {
            CheckBox cb = (CheckBox)sender;            if (cb.Text == "全选")
            {
                foreach (GridViewRow gv in this.GridView1.Rows)
                {
                    CheckBox cd = (CheckBox)gv.FindControl("CheckBox1");
                    cd.Checked = cb.Checked;
                    cb.Text = "取消";
                }
            }
            else
            {
                cb.Text = "取消";
                foreach (GridViewRow gv in this.GridView1.Rows)
                {
                    CheckBox cd = (CheckBox)gv.FindControl("CheckBox1");
                    cd.Checked = cb.Checked;
                    cb.Text = "全选";
                }            }
        }