"delete from roll where RollId=@RollId";
-》
"delete from roll where RollId=?";myCommand.Parameters.Add(new OleDbParameter("@RollId", OleDbType.BigInt));
myCommand.Parameters["@RollId"].Value =RollDataGrid.DataKeys[(int)e.Item.ItemIndex];->
myCommand.Parameters.Add(new OleDbParameter("?", OleDbType.BigInt));
myCommand.Parameters["?"].Value =RollDataGrid.DataKeys[(int)e.Item.ItemIndex];
-》
"delete from roll where RollId=?";myCommand.Parameters.Add(new OleDbParameter("@RollId", OleDbType.BigInt));
myCommand.Parameters["@RollId"].Value =RollDataGrid.DataKeys[(int)e.Item.ItemIndex];->
myCommand.Parameters.Add(new OleDbParameter("?", OleDbType.BigInt));
myCommand.Parameters["?"].Value =RollDataGrid.DataKeys[(int)e.Item.ItemIndex];
解决方案 »
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