What is "RenderControl" method? How it can be used in C#? Please explain with an eg.

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.NET3.0

What is "RenderControl" method? How it can be used in C#? Please explain with an eg.

the RenderControl throws an error "does not contain a definition for 'RenderControl' and no extension method RenderControl accepting a first argument of type Publish_View.Publish_HTML could be found (are you missing a using directive or an assembly reference?)"

My Code is:

C#

public string getstructure()
        {
            System.IO.StringWriter StringWriter = new System.IO.StringWriter();
            System.Web.UI.HtmlTextWriter HTMLWriter = new System.Web.UI.HtmlTextWriter(StringWriter);
            this.RenderControl(HTMLWriter);
            string thisstructure = StringWriter.ToString();
            HTMLWriter.Close();
            StringWriter.Close();
            HTMLWriter = null;
            StringWriter = null;
            return thisstructure;
        }

Posted 22-Dec-11 0:29am

maajanes

Updated 22-Dec-11 2:01am

v5

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Anuja Pawar Indore · Answer 1 · 2011-12-22T02:20:00

Solution 3

C#

using System.Text;
using System.IO;
using System.Web.UI;

Below is RenderControl method implementation, which receives any control and returns its HTML string representation.

C#

public string RenderControl(Control ctrl) 
{
    StringBuilder sb = new StringBuilder();
    StringWriter tw = new StringWriter(sb);
    HtmlTextWriter hw = new HtmlTextWriter(tw);

    ctrl.RenderControl(hw);
    return sb.ToString();
}

Posted 22-Dec-11 2:20am

Anuja Pawar Indore

Comments

maajanes 22-Dec-11 23:43pm

Its throwing errors:

1.The best overloaded method match for 'Publish_View.Publish_HTML.RenderControl(System.Web.UI.Control)' has some invalid arguments

2.cannot convert from 'System.Web.UI.HtmlTextWriter' to 'System.Web.UI.Control'

My code is:public string getstructure() {

System.IO.StringWriter StringWriter = new System.IO.StringWriter();

System.Web.UI.HtmlTextWriter HTMLWriter = new System.Web.UI.HtmlTextWriter(StringWriter);

this.RenderControl(HTMLWriter);

string thisstructure = StringWriter.ToString();

HTMLWriter.Close(); StringWriter.Close();

HTMLWriter = null; StringWriter = null;

return thisstructure; }

Sarvesh Kumar Gupta · Answer 2 · 2011-12-22T00:40:00

Solution 1

Please study in detail go through below link:

http://msdn.microsoft.com/en-us/library/system.web.ui.control.rendercontrol%28v=vs.71%29.aspx[^]

http://stackoverflow.com/questions/334382/usercontrols-rendercontrol-is-asking-for-a-form-tag-in-c-net[^]

Posted 22-Dec-11 0:40am

Sarvesh Kumar Gupta

Sarvesh Kumar Gupta · Answer 3 · 2011-12-22T01:41:00

Solution 2

Please give the list of namespaces which you are using on this page.
I will compare these with my page bcoz it is running on my page.

Posted 22-Dec-11 1:41am

Sarvesh Kumar Gupta

Comments

maajanes 22-Dec-11 7:42am

using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.SessionState;
using System.Configuration;