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Old June 9th, 2009, 08:44 AM
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Default RenderControl is Giving the Error.

hello friends,

I am looking for sending any server control in mail ..but I am getting the Error which is:

Control 'TextBox1' of type 'TextBox' must be placed inside a form tag with runat=server.

this is CODE BEHIND:

protected void Page_Load(object sender, EventArgs e)
{

TextBox1.Text = "Finishing";
StringBuilder SB = new StringBuilder();
StringWriter SW = new StringWriter(SB);
HtmlTextWriter HTW = new HtmlTextWriter(SW);
TextBox1.RenderControl(HTW);

}

this is ASPX page.

<body>
<form id="form1" runat="server">
<asp:TextBox runat="server" ID="TextBox1"></asp:TextBox>
</form>
</body>



thanks !!!
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Old June 12th, 2009, 02:43 PM
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Default

First, disable event validation in the page directive.

HTML Code:
<%@ Page EnableEventValidation="false" Language="C#" ...
Then, try this:

Code:
protected void Page_Load(object sender, EventArgs e)
{
   TextBox1.Text = "Finishing";
 
   StringWriter sw = new StringWriter();
   HtmlTextWriter htw = new HtmlTextWriter(sw);       
   TextBox1.RenderControl(htw);
 
   string text = sw.ToString();      
 
}
public override void VerifyRenderingInServerForm(Control control)
{       
}
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