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Old April 16th, 2008, 03:47 AM
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Default Add textbox in cs file

 i copied these codes from "Wrox-Professional Web Parts and Custom Controls with ASP.NET" to my cs.File
protected override void CreateChildControls()
        //LiteralControl=represent html elements,html and other strings in asp.net page that don't requared procesing on the server
        LiteralControl lt;
        System.Web.UI.WebControls.TextBox txt = new TextBox();
        lt = new LiteralControl("<b>Value: ");

        txt.Text = "Hello,world";
        txt.ID = "txtInput";

        lt = new LiteralControl("</b>");
but , i saw this error:
Control 'txtInput' of type 'TextBox' must be placed inside a form tag with runat=server


Old April 25th, 2008, 02:23 AM
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These are the steps to make you learn that how can you add run time controls with different values.

First when You created
 lt = new LiteralControl("<b>Value: "); means you are instantiating a new literal control

 lt = new LiteralControl("</b>");
is to show you that you can change values dynamically

If you want to add another literal control then declare another object name such as
Literal Control obj = new literal COntrol();
obj.text="&lt value";

Old April 30th, 2008, 02:37 PM
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You may have simply missed out the <form runat=server> tag as well. That error message means the controls you have placed on the page aren't wrapped between <form runat=server> and </form> tags. ASP.Net controls need the runat=server element to function properly if they are to run on the server rather than the client.


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