gridview控件实现全选功能

来源:互联网 发布:mac 百度云破解版 编辑:程序博客网 时间:2024/05/19 13:19

前台:

<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False"
        DataKeyNames
="AreaID" DataSourceID="SqlDataSource1">
        
<Columns>
            
<asp:BoundField DataField="AreaID" HeaderText="AreaID" ReadOnly="True" SortExpression="AreaID" />
            
<asp:BoundField DataField="CityID" HeaderText="CityID" SortExpression="CityID" />
            
<asp:TemplateField>
                
<HeaderTemplate>
                    
<asp:CheckBox ID="chkAll" runat="server" AutoPostBack="True" OnCheckedChanged="chkAll_CheckedChanged" />
                
</HeaderTemplate>
                
<ItemTemplate>
                    
<asp:CheckBox ID="chkItem" runat="server" />
                
</ItemTemplate>
            
</asp:TemplateField>
        
</Columns>
    
</asp:GridView>

后台:

 protected void chkAll_CheckedChanged(object sender, EventArgs e)    {        for (int i = 0; i < this.GridView1.Rows.Count; i++)        {            ((CheckBox)GridView1.Rows[i].FindControl("chkItem")).Checked = ((CheckBox)this.GridView1.HeaderRow.FindControl("chkAll")).Checked;        }    }