how to restrict or fix the words/character length-in-textbox

Question

Hello Every one Any one can tell me how to limit or fix the words/character length-in-text box by Dot net(C#) or HTML.

Abhimanyu Singh · Answer

Thank you Sir but i found the ease code for validate the text box : ValidationExpression=[\s\S]{1300} ControlToValidate=TextBox6 ForeColor=Red> its working well

Satyapriya Nayak · Answer

http://www.c-sharpcorner.com/uploadfile/bryianTan/limit-number-of-characters-in-textbox-control/default.aspx