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Hello I have this SQL Statement: de.SqlStatement = "SELECT A.Name, A.Catagory , COUNT(Patient_ID) AS PNO FROM PatientApplyToAssociation P INNER JOIN Association A on A.Association_ID = P.Association_ID WHERE A.Catagory='" & "health" & " '" & "' GROUP BY A.Name '" with this Exception: System.Data.SqlClient.SqlException was unhandled by user code class="16" ErrorCode=-2146232060 LineNumber=1 Message=Column 'Association.Name' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause. I had this exception when I added the whe
