User Control with Events (VB.net)
<%@ Page Language=VB Debug=true %>
<%@ Register
TagPrefix="My"
TagName="SimpleControl"
Src="UserControlEvents.ascx"
%>
<script runat=server>
Sub SubmitBtn_Click(Sender As Object, E As EventArgs)
If MSC1.ValidateLogin("Joe", "java2s") Then
lblMessage.Text = "Entry allowed!"
Else
lblMessage.Text = "Entry denied!"
End If
End Sub
Sub Clear_Click(Sender As Object, E As EventArgs)
MSC1.ClearText("All")
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Implementing a User Control on an ASP.NET Page</TITLE>
</HEAD>
<BODY LEFTMARGIN="40">
<form
runat="server"
id="MyForm"
>
<BR><BR>
<My:SimpleControl
id="MSC1"
runat="server"
/>
<BR>
<asp:button
id="butOK"
text=" OK "
onclick="SubmitBtn_Click"
runat="server"
/>
<asp:button
id="butClear"
text="Clear"
onclick="Clear_Click"
runat="server"
/>
<BR><BR>
<asp:label
id="lblMessage"
runat="server"
/>
</form>
</BODY>
</HTML>
<%--UserControlEvents.ascx
<script language="VB" runat="server">
Public ReadOnly Property UserName() As String
Get
UserName = txtUserName.Text
End Get
End Property
Public ReadOnly Property Password() As String
Get
Password = txtPassword.Text
End Get
End Property
Public ReadOnly Property Version() As String
Get
Version = "2.3.145"
End Get
End Property
Public WriteOnly Property FontName() As String
Set
lbl1.Font.Name = value
lbl2.Font.Name = value
End Set
End Property
Public WriteOnly Property FontBold() As Boolean
Set
lbl1.Font.Bold = value
lbl2.Font.Bold = value
End Set
End Property
Public Property UserNameLabel() As String
Get
UserNameLabel = lbl1.Text
End Get
Set
lbl1.Text = value
End Set
End Property
Public Property PasswordLabel() As String
Get
PasswordLabel = lbl2.Text
End Get
Set
lbl2.Text = value
End Set
End Property
Public Sub ClearText (TextToClear as String)
If TextToClear = "All" Then
txtUserName.Text = ""
txtPassword.Text = ""
ElseIf TextToClear = "UserName" Then
txtUserName.Text = ""
ElseIf TextToClear = "Password" Then
txtPassword.Text = ""
Else
Err.Raise(vbObjectError + 513, "User Control Error!", _
"TextToClear parameter must be set to " _
& "All, UserName or Password!")
End If
End Sub
Public Function ValidateLogin (TestUserName as String, _
TestPassword as String) as Boolean
If txtUserName.Text = TestUserName and _
txtPassword.Text = TestPassword Then
ValidateLogin = True
Else
ValidateLogin = False
End If
End Function
Sub UserName_Changed(Sender As Object, E As EventArgs)
txtUserName.Text = UCase(txtUserName.Text)
End Sub
</script>
<Table style="font: 10pt verdana;border-width:1;
border-style:solid;border-color:black;" cellspacing="15">
<TR>
<TD>
<asp:Label
id="lbl1"
runat="server"
Font-Bold="True"
Text="User Name: "
/>
</TD>
<TD>
<asp:TextBox
id="txtUserName"
runat=server
autopostback="True"
ontextchanged="UserName_Changed"
/>
</TD>
</TR>
<TR>
<TD>
<asp:Label
id="lbl2"
runat="server"
Font-Bold="True"
Text="Password: "
/>
</TD>
<TD>
<asp:TextBox
id="txtPassword"
runat=server
TextMode="Password"
/>
</TD>
</TR>
</Table>
--%>
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