asp.net cannot get internal content, because the content is not a text solution _ Practical Tips

Today dynamically generates an HTML control in the background, similar to this htmltablecell cell = new HtmlTableCell ();
directly to the cell. InnerHtml = "Cell HTML code"; then the page display is OK when using the cell. Controls.Add (new Control ()) the page is output as: "Cannot get internal content, because the content is not text." Later on the Internet to find a solution:
　　　　

Copy Code code as follows:

StringBuilder sb = new StringBuilder ();
StringWriter SW = new StringWriter (SB);
HtmlTextWriter HTW = new HtmlTextWriter (SW);
Cell. RenderControl (HTW);

Finally, call Response.Write (sb.) ToString ());