X# Runtime and VO SDK Reference
X# Runtime and SDK Reference
XSharp.VO.SDK Namespace
SQLSelect Class (Typed)
SQLSelect Methods (Typed)
SQLSelect.AddDateVal Method (Typed)
SQLSelect.AddTimeString Method (Typed)
SQLSelect.Append Method (Typed)
SQLSelect.AppendRow Method (Typed)
SQLSelect.BindColumn Method (Typed)
SQLSelect.Close Method (Typed)
SQLSelect.Column Method (Typed)
SQLSelect.ColumnAttributes Method (Typed)
SQLSelect.Commit Method (Typed)
SQLSelect.DataField Method (Typed)
SQLSelect.Delete Method (Typed)
SQLSelect.DirectSkip Method (Typed)
SQLSelect.Error Method (Typed)
SQLSelect.Execute Method (Typed)
SQLSelect.ExtendedFetch Method (Typed)
SQLSelect.Fetch Method (Typed)
SQLSelect.FieldGet Method (Typed)
SQLSelect.FieldGetFormatted Method (Typed)
SQLSelect.FieldHyperLabel Method (Typed)
SQLSelect.FieldInfo Method (Typed)
SQLSelect.FieldName Method (Typed)
SQLSelect.FieldPos Method (Typed)
SQLSelect.FieldPut Method (Typed)
SQLSelect.FieldSpec Method (Typed)
SQLSelect.FieldStatus Method (Typed)
SQLSelect.FieldSym Method (Typed)
SQLSelect.FieldValidate Method (Typed)
SQLSelect.FindTableName Method (Typed)
SQLSelect.FLock Method (Typed)
SQLSelect.FreeStmt Method (Typed)
SQLSelect.GetData Method (Typed)
SQLSelect.GetdateVal Method (Typed)
SQLSelect.GetLookupTable Method (Typed)
SQLSelect.GetStatementOption Method (Typed)
SQLSelect.GetTimeStamp Method (Typed)
SQLSelect.GetTimeString Method (Typed)
SQLSelect.GoBottom Method (Typed)
SQLSelect.GoTo Method (Typed)
SQLSelect.GoTop Method (Typed)
SQLSelect.NoIVarGet Method (Typed)
SQLSelect.NoIVarPut Method (Typed)
SQLSelect.Notify Method (Typed)
SQLSelect.NumResultCols Method (Typed)
SQLSelect.PreExecute Method (Typed)
SQLSelect.Prepare Method (Typed)
SQLSelect.Refresh Method (Typed)
SQLSelect.RejectChanges Method (Typed)
SQLSelect.Requery Method (Typed)
SQLSelect.ReReadRow Method (Typed)
SQLSelect.ResetCursor Method (Typed)
SQLSelect.ResetNotification Method (Typed)
SQLSelect.RLock Method (Typed)
SQLSelect.RLockVerify Method (Typed)
SQLSelect.Rollback Method (Typed)
SQLSelect.SetColumnAttributes Method (Typed)
SQLSelect.SetDataField Method (Typed)
SQLSelect.SetPos Method (Typed)
SQLSelect.SetPrimaryKey Method (Typed)
SQLSelect.SetStatementOption Method (Typed)
SQLSelect.SetTimeStamp Method (Typed)
SQLSelect.ShowSQLError Method (Typed)
SQLSelect.Skip Method (Typed)
SQLSelect.SuspendNotification Method (Typed)
SQLSelect.UnLock Method (Typed)
SQLSelect.Update Method
SQLSelect.UpdateCursor Method (Typed)
SQLSelect.UpdateKey Method (Typed)
SQLSelect.UpdateVal Method (Typed)
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SQLSelect.SetPrimaryKey Method (Typed)

X#
Specify a column to be used as a unique index in searched updates or deletes that require a key (i.e., SQLSelect:ScrollUpdateType = SQL_SC_UPD_KEY).

Namespace:  XSharp.VO.SDK
Assembly:  XSharp.VOSQLClasses (in XSharp.VOSQLClasses.dll) Version: 2.21
Syntax
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 VIRTUAL METHOD SetPrimaryKey(
	uFieldPos
) AS LOGIC CLIPPER
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Parameters

uFieldPos (Optional)
Type: Usual
The name, number, or symbol representing the desired column.

Return Value

Type: Logic
TRUE if successful; otherwise, FALSE.
Remarks
If SQLSelect:SetPrimaryKey() is passed a zero as an argument, all assigned columns are cleared. You can also find the unique index columns by using the SQLListSpecialColumns class.
See Also