Filter rows based on Where condition AND-OR ?

Question

Hi,
I have table "Table1" and columns are
Id
AddendumNo
ClaimNo
Description
1
A1
C1
D1
2
A1
C1
D2
3
A1
C2
D1
4
A2
C3
D3
5
A2
C1
D2
I have three controls in the UI.
If I give txtA1.Text =”A1” only then should be return Id- 1,2,3 records.
If I give txtC1.Text =”C1” only then should be return Id- 1,2,5 records.
If I give txtA1.Text =”A1” AND txtC1.Text =”C1” then should be return Id- 1,2 records.
If I give give txtA1.Text =”A1” AND txtC1.Text =”C1” AND txtD1.Text=”D1” then should be return Id-1 record.
Please help me to write dynamic sql query ?
Thank you.

Answer 1

HI
Try following code
CREATE PROC usp_dynamic_exec @where VARCHAR(Max)
AS
BEGIN
DECLARE @strQ AS NVARCHAR(max)
SET @strQ = 'Select * from yourTableName'
IF ISNULL(@where, '') <> ''
BEGIN
SET @strQ = @strQ + ' Where ' + @where -- where clause
END
EXECUTE sp_executesql @strQ
END
GO
Ref :http://technet.microsoft.com/en-us/library/ms188001.aspx
http://www.vishalseth.com/post/2008/07/10/Dynamic-SQL-sp_executesql.aspx
http://blog.sqlauthority.com/2013/03/28/sql-server-executing-dynamic-sql-sql-queries-2012-joes-2-pros-volume-4-query-programming-objects-for-sql-server-2012/
Mark as Answer if you find it useful
Shridhar J Joshi Thanks a lot