Snigdha Vartak (9/4/2013)

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Parameter formatting is not supported in SSRS. You can not control the parameter field size, positions.

Snigdha Vartak (8/17/2013)

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You may use dynamic SQL statements. something like,

--@schema is parameter

Declare @val1 nvarchar(500)

SET @val1 ='Select * from ' + @schema+'.'+'TableName'

execute(@val1)