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hi i have wrote a stored procedure which returns one output value i have to read that value in my code which was giving me an error please correct
create proc Authenticate(@Pname varchar(50),@categoryname varchar(55))
declare @productcount int
declare @categorycount int
set @productcount=(select count(*) from Product where Pname=@Pname )
set @categorycount=(select count(*)from Category where CategoryName=@categoryname)
if(@productcount!=0  @categorycount!=0)
return 1
return 0

C# Code Below

SqlConnection con = new SqlConnection(Constr);
SqlCommand cmd = new SqlCommand("Authenticate",con);
cmd.Parameters.AddWithValue("@Pname", productname);
cmd.Parameters.AddWithValue("@CategoryName", categoryname);
int ctr = (int)cmd.ExecuteScalar();
return ctr;
Posted 12-Apr-13 0:17am
Updated 12-Apr-13 2:13am
ThePhantomUpvoter 12-Apr-13 9:12am
Would really be helpful if you told us what the error was instead of trying to make us guess. You need to set the command type to be CommandType.StoredProcedure.
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Solution 1

If you read the code example of SqlParameterCollection.AddWithValue here[^] you'll see that you're missing the @ prefix of the parameter's name.

— Manfred
surendranew 12-Apr-13 8:14am
i have updated the question manfred please see one more time
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Solution 2


If you want to display the error message using StoredProcedure then you must create one output parameter and then call that parameter in your code, please refer below link to get output parameter from StoredProcedure to[^][^]

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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