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HOME > ASP.NET > ASP.NET Web Control - Standard Control > ASP.NET Checkbox - asp:CheckBox

ASP.NET Checkbox - asp:CheckBox

 
 
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ASP.NET Checkbox เป็นคอนโทรลทางเลือกที่สามารถเลือกข้อมูลได้หลายทาง (Checkbox) และเลือกได้หลายรายการ

Language Code : VB.NET || C#

ASP.NET CheckBox

Framework : 1,2,3,4

Syntax

<asp:CheckBox id="[Name]" runat="server" Text="Option 1"></asp:CheckBox>



Checkbox.aspx

<%@ Page Language="VB" %>
<script runat="server">
    Sub btnSubmit_OnClick(sender as Object, e As EventArgs)
        IF Me.CheckBox1.Checked = True Then
            Me.lblText1.Text = "CheckBox1 Checked"
        Else
            Me.lblText1.Text = "CheckBox1 Not Checked"
        End IF

        IF Me.CheckBox2.Checked = True Then
            Me.lblText2.Text = "CheckBox2 Checked"
        Else
            Me.lblText2.Text = "CheckBox2 Not Checked"
        End IF
    End Sub

    Sub CheckBox3_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBox3.CheckedChanged
        IF Me.CheckBox3.Checked = True Then
            Me.lblText3.Text = "CheckBox3 Checked"
        Else
            Me.lblText3.Text = "CheckBox3 Not Checked"
        End IF
    End Sub

</script>
<html>
<head>
</head>
<body>
    <form runat="server">
        <asp:CheckBox id="CheckBox1" runat="server" Text="Option 1"></asp:CheckBox>
        <asp:CheckBox id="CheckBox2" runat="server" Text="Option 2"></asp:CheckBox>
        <asp:CheckBox id="CheckBox3" runat="server" Text="Option 3" AutoPostBack="True"></asp:CheckBox>
        <br />
        <br />
        <asp:Button id="btnSubmit" onclick="btnSubmit_OnClick" runat="server" Text="Submit"></asp:Button>
        <br />
        <br />
        <hr />
        <asp:Label id="lblText1" runat="server"></asp:Label>
        <br />
        <asp:Label id="lblText2" runat="server"></asp:Label>
        <br />
        <asp:Label id="lblText3" runat="server"></asp:Label>
    </form>
</body>
</html>


คำอธิบาย

จากตัวอย่างจะเห็นว่า CheckBox1 และ CheckBox2 ไม่มี Event ของตัวเอง แต่จะมีการส่งค่า Form Submit แต่ CheckBox3 มี Event ของตัวเอง

Screenshot

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  Score Rate :  
  Create/Update Date : 2008-10-27 07:12:30 / 2010-07-10 13:37:27
  View : 2,984
  Download : Download ASP.NET Checkbox - asp:CheckBox
   
 
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