Execute Stored Process with pass in SQL query from another table?

Currently my development environment is using SQL server express 2008 r2 and VS2010 for my project development.

My question is like this by providing a scenario:

Development goal:

I develop window services something like data mining or data warehousing using .net C#. That meant I have a two or more database involved.

my senario is like this:

I have a database with a table call SQL_Stored inside provided with a coloum name QueryToExec.

I first idea that get on my mind is written a stored procedure and i tried to came out a stored procedure name Extract_Sources with two parameter passed in thats ID and TableName.

My first step is to select out the sql need to be execute from table SQL_Stored. I tried to get the SQL by using a simple select statement such as:

Select Download_Sql As Query From SQL_Stored Where ID=@ID AND TableName=@TableName

Is that possible to get the res开发者_高级运维ult or is there another way to do so?

My Second step is to excecute the Sql that i get from SQL_Stored Table.Is possible to to execute the query that select on the following process of this particular stored proc? Need to create a variable to store the sql ?

Thank you,Appreciate for you all help.Please don't hesitate to voice out my error or mistake because I can learn from it. Thank you.

PS_1:I am sorry for my poor English.

PS_2:I am new to stored procedure.

LiangCk

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Try this:

DECLARE @download_sql VARCHAR(MAX)
Select
    @download_sql = Download_Sql
From
    SQL_Stored
Where
    AreaID = @AreaID
    AND TableName = @TableName

EXEC (@download_sql)