Can't Get This SQL Figured Out
Jun 10, 2008
Hi all,
I am trying to get batting average, which you get by dividing # hits / # at bats. However, I have to protect against divide-by-zero error. Therefore, I came up with the following:
SELECT P.hits/(IsNull(NullIF(P.atbats, 0), 1)) AS Average FROM Players P
However, this gives me 0 for ALL cases for some reason. Even when hits = 13 and AB = 16.
Can someone please help and let me know what is wrong with my query? I cannot figure it out! :(
Thanks in advance!!!!
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Nov 15, 2007
So, Jimmy G helped me out with it in showing a little bit how to do it. SqlCommand command = new SqlCommand(, object>)
SqlParameter param = new SqlParameter();
param.ParameterName = "@return";
param.Direction = ParameterDirection.ReturnValue;
command.Parameters.Add(param);
command.ExecuteNonQuery();
//get the return value
int val = int.Parse(command.Parameters[0].ToString());
Where I get lost is in the declaring of a new sqlcommand and sqlparameter. Can you please spell out where to use this and if I need to change my SQLdataSource. I currently was trying to use it in the OnClick of a button. What I had did the following
Protected Sub CreateIssue_Click(ByVal sender As Object, ByVal e As System.EventArgs) dim returnValue as integer 'how do I get a return value from the stored procedure executed in 'insertissue.insert() here to a variable? InsertIssue.Insert() Response.Redirect("/addarticletoissue") End Sub
again, thank you for your help and patience with such a beginner =)
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