I need help converting the VB code

Private Sub Button1_Click _
(ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
Handles Button1.Click
Dim cntrlTester As Control
Dim chkTester As CheckBox
Dim sb As New System.Text.StringBuilder
For Each cntrlTester In _
Page.Controls(1).Controls
If TypeOf cntrlTester Is _
System.Web.UI.WebControls.CheckBox Then
chkTester = cntrlTester
sb.Append(chkTester.ID & _
" : " & chkTester.Checked.ToString & _
"<br>")
End If
Next
Label1.Text = sb.ToString
End Su
<form id="Form1" method="post" runat="server"><p><asp:CheckBox id="CheckBox1" runat="server"
text="checkbox1"></asp:checkbox></p><p><asp:CheckBox id="CheckBox2" runat="server"
text="checkbox2"></asp:checkbox></p><p><asp:CheckBox id="CheckBox3" runat="server"
text="checkbox3"></asp:checkbox></p><p><asp:Label id="Label1" runat="server"></asp:label></p><p><asp:Button id="Button1" runat="server" text="button"></asp:button></p></form

TO C# code for Visual Studio .NE

Thanks

bebo

Hi bebop,

This must be so easy, here some links to get the basic differences.
The HTML part stays the same.

Code C# and VB
http://www.harding.edu/USER/fmccown/...omparison.html

Language compare
http://msdn.microsoft.com/library/en...quivalents.asp

I hope this helps a little bit?

Cor
>
> Private Sub Button1_Click _
> (ByVal sender As System.Object, _
> ByVal e As System.EventArgs) _
> Handles Button1.Click
> Dim cntrlTester As Control
> Dim chkTester As CheckBox
> Dim sb As New System.Text.StringBuilder
> For Each cntrlTester In _
> Page.Controls(1).Controls
> If TypeOf cntrlTester Is _
> System.Web.UI.WebControls.CheckBox Then
> chkTester = cntrlTester
> sb.Append(chkTester.ID & _
> " : " & chkTester.Checked.ToString & _
> "<br>")
> End If
> Next
> Label1.Text = sb.ToString
> End Sub
> <form id="Form1" method="post" runat="server"><p><asp:CheckBox
id="CheckBox1" runat="server"
> text="checkbox1"></asp:checkbox></p><p><asp:CheckBox id="CheckBox2"
runat="server"
> text="checkbox2"></asp:checkbox></p><p><asp:CheckBox id="CheckBox3"
runat="server"
> text="checkbox3"></asp:checkbox></p><p><asp:Label id="Label1"
runat="server"></asp:label></p><p><asp:Button id="Button1" runat="server"
text="button"></asp:button></p></form>
>
> TO C# code for Visual Studio .NET
>
> Thanks.
>
> bebop
>
>

It helps a little but not much because the comparison isn't the same

In VB code it uses a foreach

Private Sub Button1_Click _ (ByVal sender As System.Object, _ ByVal e As System.EventArgs) _
Handles Button1.Click
Dim cntrlTester As Control
Dim chkTester As CheckBox
Dim sb As New System.Text.StringBuilder
For Each cntrlTester In _ Page.Controls(1).Controls //the C# equivalent uses an array with a foreach and VB code
If TypeOf cntrlTester Is _ //doesn't use an array at the link
System.Web.UI.WebControls.CheckBox Then // http://www.harding.edu/USER/fmccown/WWW
chkTester = cntrlTester /vbnet_csharp_comparison.htm
sb.Append(chkTester.ID & _
" : " & chkTester.Checked.ToString & _
"<br>")
End If
Next
Label1.Text = sb.ToString
End Sub

I got the following via Instant C#:

//INSTANT C# TODO TASK: Insert the following converted event handlers
at the end of the 'InitializeComponent' method for forms or into a
constructor for other classes:
//Button1.Click += new System.EventHandler(Button1_Click);

private void Button1_Click(object sender, System.EventArgs e)
{
CheckBox chkTester = null;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (Control cntrlTester in Page.Controls[1].Controls)
{
if (typeof(cntrlTester) == System.Web.UI.WebControls.CheckBox)
{
chkTester = cntrlTester;
sb.Append(chkTester.ID + " : " + chkTester.Checked.ToString() +
"<br>");
}
}
Label1.Text = sb.ToString();
}


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I tried your code in Visual Studio C# .NET

got errors:

The type or namespace name 'cntrlTester' could not be found(are you
missing a using directive or an assembly reference?)

and

Cannot implicitly convert type 'System.Web.UI.Control' to
'System.Web.UI.WebControls.CheckBox'

Did you get the same errors when you tried the code?

bebop






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Here is the sanitized code: (Instant C# is fixing the conversion of
VB's TypeOf for the next release)

//INSTANT C# TODO TASK: Insert the following converted event handlers
at the end of the 'InitializeComponent' method for forms or into a
constructor for other classes:
//Button1.Click += new System.EventHandler(Button1_Click);

private void Button1_Click(object sender, System.EventArgs e)
{
CheckBox chkTester = null;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (Control cntrlTester in Page.Controls[1].Controls)
{
if (cntrlTester is System.Web.UI.WebControls.CheckBox)
{
chkTester = (CheckBox)cntrlTester;
sb.Append(chkTester.ID + " : " + chkTester.Checked.ToString() +
"<br>");
}
}
Label1.Text = sb.ToString();
}


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I got it working changed some lines so that the CheckBox value is
displayed in the Label.

Thanks.

bebop



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