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Saturday, February 15, 2014

How to assign column value to variable sql server 2008?



In this post we will discuss about how to assign column value to a variable in SQL Server 2008. Also you can check my previous post: Caching in Asp.Net, Post form data to 3rd party URL in Asp.Net and Working with enterprise library for data access in asp.net Part-3.

To create a variable in SQL Server 2008, we have to use keyword declare like below:

Declare @UserID INT

Declare @UserName VARCHAR(100)

Similarly you can declare multiple variables at a time like below:

Declare @UserName VARCHAR(100), @FirstName VARCHAR(50)

To assign a column value to a variable we can use like below:

Select @UserID=UserID from UserMaster where FirstName='AspDotNetHelp.com'

Also you can assign multiple values like below:

Select @UserID=UserID, @UserName=UserName from UserMaster where FirstName='AspDotNetHelp.com'

Below is a code that will first declare a variable, then it will assign some value and then it select the value. (MSDN)

DECLARE @Name VARCHAR(50);

SET @Name = 'My Name is XYZ';

SELECT @Name;



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