How to Add/Change Connection String in App.config with Coding

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I have two textbox on windows form
1.connection string name
2.connection string

I want to store the conection string name(constr1) and
connectionSring("Data Source=.\SQLEXPRESS; Initial Catalog = abc; Integrated Security = True;" providerName="System.Data.SqlClient")

in App.config

thx in advance

Posted 5-May-12 1:42am

Ravi Sargam

Updated 5-May-12 1:59am

v2

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[no name] 5-May-12 7:56am

Are we supposed to guess what your question is?

Ravi Sargam 5-May-12 8:02am

now i changed my question I want store connection string app.config
can you give any solution ???

2 solutions

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Sandeep Mewara · Answer 1 · 2012-05-05T02:10:00

Solution 1

Look here:
Video: Change the connection string dynamically for SQLDataSource...[^]
Programmatically setting a connectionString property[^]
How to change ConnectionString easily[^]

Posted 5-May-12 2:10am

Sandeep Mewara

Comments

VJ Reddy 5-May-12 23:17pm

Good references. 5!

Sandeep Mewara 6-May-12 0:55am

Thanks.

Maciej Los 7-Apr-13 5:26am

+5!

Sandeep Mewara 7-Apr-13 5:27am

Thanks Mac.

Mohammad A Rahman · Answer 2 · 2012-05-05T02:12:00

Solution 2

Please read below,
using app.config file in c# winform database application[^]
Understanding Section Handlers - App.config File[^]
and
http://msdn.microsoft.com/en-us/library/1xtk877y.aspx[^]

Hope it helps :)

Posted 5-May-12 2:12am

Mohammad A Rahman

Comments

VJ Reddy 5-May-12 23:18pm

Good references. 5!

Mohammad A Rahman 5-May-12 23:44pm

Thank you VJ :)

Maciej Los 7-Apr-13 5:26am

+5!