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    asp.net GridView控件中模板列CheckBox全选、反选、取消

    高洛峰高洛峰2017-01-11 10:21:07原创1828
    using System; 
    using System.Data; 
    using System.Data.SqlClient; 
    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; 
    
    public partial class Demo18 : System.Web.UI.Page 
    { 
    protected void Page_Load(object sender, EventArgs e) 
    { 
    if (Page.IsPostBack == false) 
    { 
    BindData(); 
    } 
    } 
    
    public void BindData() 
    { 
    string strSql = "select UserID,C_Name,E_Name,UpdataDate,isDY from Demo_User "; 
    DataTable dt = SqlHelper.ExecuteDataset(SqlHelper.CONN_STRING, CommandType.Text, strSql, null).Tables[0]; 
    
    GridView.DataSource = dt; 
    GridView.DataKeyNames = new string[] { "UserID" };//主键 
    GridView.DataBind(); 
    } 
    
    protected void GridView_PageIndexChanging(object sender, GridViewPageEventArgs e) 
    { 
    GridView.PageIndex = e.NewPageIndex; 
    BindData(); 
    } 
    
    protected void Button1_Click(object sender, EventArgs e) 
    { 
    CheckBoxAll.Checked = false; 
    CheckBox1.Checked = false; 
    for (int i = 0; i <= GridView.Rows.Count - 1; i++) 
    { 
    CheckBox CheckBox = (CheckBox)GridView.Rows[i].FindControl("CheckBox"); 
    CheckBox.Checked = false; 
    } 
    
    } 
    
    protected void Button2_Click(object sender, EventArgs e) 
    { 
    for (int i = 0; i <= GridView.Rows.Count - 1; i++) 
    { 
    CheckBox CheckBox = (CheckBox)GridView.Rows[i].FindControl("CheckBox"); 
    if (CheckBox.Checked == true) 
    { 
    string strSql = "Update Demo_User set UpdataDate=@UpdataDate where UserID=@UserID "; 
    SqlParameter[] para = { 
    new SqlParameter("@UpdataDate", DateTime.Now), 
    new SqlParameter("@UserID", GridView.DataKeys[i].Value), 
    }; 
    SqlHelper.ExecuteNonQuery(SqlHelper.CONN_STRING, CommandType.Text, strSql, para); 
    } 
    } 
    CheckBoxAll.Checked = false; 
    CheckBox1.Checked = false; 
    BindData(); 
    
    } 
    
    protected void CheckBoxAll_CheckedChanged(object sender, EventArgs e) 
    { 
    for (int i = 0; i <= GridView.Rows.Count - 1; i++) 
    { 
    CheckBox CheckBox = (CheckBox)GridView.Rows[i].FindControl("CheckBox"); 
    if (CheckBoxAll.Checked == true) 
    { 
    CheckBox.Checked = true; 
    } 
    else 
    { 
    CheckBox.Checked = false; 
    } 
    } 
    CheckBox1.Checked = false; 
    
    } 
    
    protected void CheckBox1_CheckedChanged(object sender, EventArgs e) 
    { 
    for (int i = 0; i <= GridView.Rows.Count - 1; i++) 
    { 
    CheckBox CheckBox = (CheckBox)GridView.Rows[i].FindControl("CheckBox"); 
    if (CheckBox.Checked == false) 
    { 
    CheckBox.Checked = true; 
    } 
    else 
    { 
    CheckBox.Checked = false; 
    } 
    } 
    CheckBoxAll.Checked = false; 
    } 
    } 
    
    <table align="center" bgcolor="#c0de98" border="0" cellpadding="0" cellspacing="1" width="99%"> 
    <tr> 
    <th colspan="2"> 
    GridView演示</th> 
    </tr> 
    <tr> 
    <td colspan="2" style="width: 100%;" > 
    <asp:GridView ID="GridView" runat="server" Width="100%" AutoGenerateColumns="False" AllowPaging="True" OnPageIndexChanging="GridView_PageIndexChanging" PageSize="12" > 
    <Columns> 
    <asp:TemplateField HeaderText="选择"> 
    <ItemTemplate> 
    <asp:CheckBox ID="CheckBox" runat="server" /> 
    </ItemTemplate> 
    </asp:TemplateField> 
    <asp:BoundField DataField="UserID" HeaderText="UserID" ReadOnly="True" /> 
    <asp:BoundField DataField="C_Name" HeaderText="中文名字" ReadOnly="True" /> 
    <asp:BoundField DataField="E_Name" HeaderText="英文名字" ReadOnly="True" /> 
    <asp:BoundField DataField="UpdataDate" HeaderText="更新时间" /> 
    </Columns> 
    <RowStyle HorizontalAlign="Center" /> 
    <PagerStyle HorizontalAlign="Right" /> 
    </asp:GridView> 
    </td> 
    </tr> 
    
    <tr> 
    <td > 
    <asp:CheckBox ID="CheckBoxAll" runat="server" Text="全选" Width="80px" AutoPostBack="True" OnCheckedChanged="CheckBoxAll_CheckedChanged" /> 
    <asp:CheckBox ID="CheckBox1" runat="server" Text="反选" Width="80px" AutoPostBack="True" OnCheckedChanged="CheckBox1_CheckedChanged" /> 
    <asp:Button ID="Button1" runat="server" Text="取 消" CssClass="Button" OnClick="Button1_Click"/> 
    <asp:Button ID="Button2" runat="server" Text="更新时间" CssClass="Button" OnClick="Button2_Click"/></td> 
    </tr> 
    </table>

    asp.net GridView控件中模板列CheckBox全选、反选、取消

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