i want to check the inserted Texbox values is available in database table or not

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i want to check the inserted values in Text Box is available in database Table or not.the code is in vb.net and Sql server database.
plz help me someone

Posted 8-Jul-12 4:28am

narkhedkar

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OriginalGriff 8-Jul-12 10:39am

This is not a good question - we cannot work out from that little what you are trying to do.
Remember that we can't see your screen, access your HDD, or read your mind.
Use the "Improve question" widget to edit your question and provide better information.

[no name] 8-Jul-12 10:39am

"i want to check".. okay so go right ahead that do that.

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Sandeep Mewara · Answer 1 · 2012-07-08T04:41:00

Try:
1. Use ADO.NET to talk to database and retrieve the information
2. Use query to find out the existence. One such example:

SQL

-- See if any row returned?
SELECT * FROM MyTable WHERE ValueToCheck = @SeeIfThisValueExists

These would help:
MSDN: ADO.NET[^]
MSDN: Accessing Data with ADO.NET[^]

Learn and try. If you get stuck, ask specific issue.

Abhinav S · Answer 2 · 2012-07-08T04:52:00

Solution 2

If you are using commands, you can actually check for the return value from the command.
E.g.

//id will contain the inserted value.
int id = Convert.ToInt32(cmd.ExecuteScalar() );

Posted 8-Jul-12 4:52am

Abhinav S