سلام دوستان
من یک دستور بصورت زیر نوشتم :
SELECT DISTINCT
SellsTable.SellID, SellsTable.SellName, SellsTable.CustomerID, SellsTable.StartDate, SellsTable.EndDate, SellsTable.LastChangeDate, SellsTable.LastStateID,
SellsTable.UserID, CustomerTable.CustomerName, CustomerTable.Mobile, CustomerTable.CustomerID AS Expr1, SellsTable.Balance,
SUM(FactorProductTable.Count) AS Expr2
FROM CustomerTable INNER JOIN
SellsTable ON CustomerTable.CustomerID = SellsTable.CustomerID INNER JOIN
FactorTable ON SellsTable.SellID = FactorTable.SellID INNER JOIN
FactorProductTable ON FactorTable.FactorID = FactorProductTable.FactorID
دستور مهم نیست مهم این خط هست SUM(FactorProductTable.Count) AS Expr2
که وقتی این اضافه میشه اررور زیر داده میشه
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Microsoft Visual Studio
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SQL Execution Error.
Executed SQL statement: SELECT DISTINCT SellsTable.SellID, SellsTable.SellName, SellsTable.CustomerID, SellsTable.StartDate, SellsTable.EndDate, SellsTable.LastChangeDate, SellsTable.LastStateID, SellsTable.UserID, CustomerTable.CustomerName, CustomerTable.Mobile, CustomerT...
Error Source: .Net SqlClient Data Provider
Error Message: Column 'SellsTable.SellID' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
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