using sql query using case when i want t get the supplier details from a table called supplier by giving either the code or between two dates

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C#

@Code nvarchar(100)='',
@FromDate datetime,
@ToDate datetime,
@FormName varchar(max)
AS
BEGIN
	if(@FormName='Supplier')
	
	SELECT ROW_NUMBER () over(order by sup_id )as SINO,sup_id, sup_code,sup_name,sup_phone,convert(varchar,sup_date,103)AS Date From tbl_SupplierMaster 
	where (sup_date between @FromDate and @ToDate) 	
	AND sup_active='True'
	
	AND Case when  sup_code='' then sup_code  else sup_code = @Code
	
END

Posted 28-Aug-13 22:19pm

shyamrashun

Updated 28-Aug-13 22:36pm

Thanks7872

v2

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Manikandan Sekar · Answer 1 · 2013-08-29T03:05:00

You told that you have to filter by either date or supplier id
So use the following in procedure
Pass the Supplier code or two dates(must) from UI.

@Code nvarchar(100)=null,//Using null makes the default value as null for that variable and allows null during passing 
@FromDate datetime=null,
@ToDate datetime=null,
@FormName varchar(max)
AS
BEGIN
	if(@FormName='Supplier')
	Begin
        if(@Code <> null and @Code !='')
	SELECT ROW_NUMBER () over(order by sup_id )as SINO,sup_id, sup_code,sup_name,sup_phone,convert(varchar,sup_date,103)AS Date From tbl_SupplierMaster 
	where (sup_date between @FromDate and @ToDate) 	
	AND sup_active='True' AND sup_code = @Code
	else
	SELECT ROW_NUMBER () over(order by sup_id )as SINO,sup_id, sup_code,sup_name,sup_phone,convert(varchar,sup_date,103)AS Date From tbl_SupplierMaster 
	where (sup_date between @FromDate and @ToDate) 	
	AND sup_active='True'
	
	End
END

Hope it helps