如何使用Java脚本代码使用一个复选框选择所有复选框

更新时间：2023-10-15 12:14:52

请检查以下链接：

选择/取消选择GridView内的所有CheckBox [ ^ ]

如何在asp.net中检查标题模板时检查gridview中的所有复选框 [ ^ ]

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default7.aspx.cs" Inherits="Default7" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript">
        function checktrue()
        {
            var x = document.getElementById('<%=DataList1.ClientID%>');
            
        }
    </script>
    
    
</head>
<body>
    <form id="form1" runat="server">
        <div>

            <asp:DataList ID="DataList1" runat="server" OnItemCommand="DataList1_ItemCommand" CellPadding="4" ForeColor="#333333">
                <footerstyle backcolor="#507CD1" font-bold="True" forecolor="White" />
                <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
                <HeaderTemplate>
                    <asp:CheckBox ID="chkall" runat="server" onclick="checktrue()"  />
                    EMPID ENAME DESIGNATION DOJ SALARY DEPTNO Edit/Update
                </HeaderTemplate>
                <itemstyle backcolor="#EFF3FB" />
                <itemtemplate>
                    <asp:CheckBox ID="chkone" runat="server" />
                    <asp:Label ID="lblempid" runat="server" Text='<%#Eval("empid") %>' />

                    <%#Eval("ename") %>
                    <%#Eval("desg") %>
                    <%#Eval("doj") %>
                    <%#Eval("salary") %>
                    <%#Eval("deptno") %>
                    <asp:Button ID="btnedit" runat="server" Text="EDIT" CommandName="Edit" />
                </itemtemplate>
                <alternatingitemstyle backcolor="White" />
                <edititemtemplate>
                    <asp:Label ID="lblempid" runat="server" Text='<%#Eval("empid") %>' />
                    <asp:TextBox ID="txtename" runat="server" Text='<%#Eval("ename") %>' />
                    <asp:TextBox ID="txtdesg" runat="server" Text='<%#Eval("desg") %>' />
                    <asp:TextBox ID="txtdoj" runat="server" Text='<%#Eval("doj") %>' />
                    <asp:TextBox ID="txtsalary" runat="server" Text='<%#Eval("salary") %>' />
                    <asp:TextBox ID="txtdeptno" runat="server" Text='<%#Eval("deptno") %>' />
                    <asp:Button ID="btnupdate" runat="server" Text="Update" CommandName="Update" />
                    <asp:Button ID="btncancel" runat="server" Text="Cancel" CommandName="Cancel" />
                </edititemtemplate>
                <footertemplate>
                    <asp:Button ID="btmdelete" runat="server" OnClick="btndelete_Click" Text="Delete" />

                    <asp:TextBox ID="txtempid" runat="server" Width="60">
                    <asp:TextBox ID="txtename" runat="server" Width="60">
                    <asp:TextBox ID="txtdesg" runat="server" Width="60">
                    <asp:TextBox ID="txtdoj" runat="server" Width="60">
                    <asp:TextBox ID="txtsalary" runat="server" Width="60">
                    <asp:TextBox ID="txtdeptno" runat="server" Width="60">
                    <asp:Button ID="btnadd" runat="server" Text="add" CommandArgument="add" />
                </footertemplate>

                <SelectedItemStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />

            

            <br />

        </div>
    </form>
</body>
</html>

Please check following links :

Selecting / Deselecting all the CheckBoxes Inside a GridView[^]

how to check all checkboxes in gridview when checked header template in asp.net[^]

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如何使用Java脚本代码使用一个复选框选择所有复选框

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