Page.FindControl但是注意: The method searches only the page's immediate, or top-level, container; it does not recursively search for controls in naming containers contained on the page. To access controls in a subordinate naming container, call the FindControl method of that container.参考: http://msdn.microsoft.com/en-us/library/31hxzsdw(v=vs.110).aspx
typeof(this).GetField("text1").SetValue(this, 值)
The method searches only the page's immediate, or top-level, container; it does not recursively search for controls in naming containers contained on the page. To access controls in a subordinate naming container, call the FindControl method of that container.参考:
http://msdn.microsoft.com/en-us/library/31hxzsdw(v=vs.110).aspx