Text Box Looses its content and focus while typing

Question

I have asp.net page that has Scriptmanager, update panel and timer on it, when i set my cursor focused and keep it for few seconds it looses it focus from the text box and cursor looks to be no where. and also sometimes while typing text on text boxes and move to next i loose complete text or half of it from the previous text box.

 

What should be the issue ?what should be checked and done to sort out this issue

Answer 1

Look at the Sam's Post to learn basics of ADO etc.

Read this post, it will full-fil your ask. here you will find a working example too.

http://www.c-sharpcorner.com/UploadFile/abhikumarvatsa/1605/

Answer 2

Look at the following. I know that the Forms section is quite large, but you will see the abundance of useful material.

• ADO.NET in C#
• Windows Forms in C#