SQL Server Database connectivity

Question

Hi, I have the following code. I have already create database "Practice" in sql server 2008 and want to use it in this windows form application.Please look at the following code. When i execute this code it shows me following error please somebody help me the source code of above programe is attached
If you need more details i will reply you.

Mayur Gujrathi · Accepted Answer

you can also take your sql server name as data source

Zeb Rehman · Answer

Thank you very much Hobbs...

Sam Hobbs · Answer

In the articles in this web site there are many ways for getting help creating a connection string. If you use one of them then you don't need to be concerned about the details; you can get the connection string tested by most of the tools.

Mayur Gujrathi · Answer

You are welcome Zeb

Zeb Rehman · Answer

Thanks Bro Mayur.......

Krishna Garad · Answer

your welcome.

Zeb Rehman · Answer

Oh thank you very much that really help me. There was problem in data source.
Once again thank you very much.....

Zeb Rehman · Answer

The data source is my computer name and this is correct i have checked it many times.

Krishna Garad · Answer

I think your Data Source is not valid just check out the Data Source.