多项选择题
A.ConnectionB.CommandC.DataReaderD.Data
A.SqlDataAdapter da =SqlDataAdapter("SELECT *FROM MyTable",con);DataSet ds =new DataSet();da.Fill(ds);B.SqlCommand cmd =new ("SELECT *FROM MyTable",con);SqlDataAdapter da =SqlDataAdapter(cmd);DataSet ds =new DataSet();da.Fill(ds);C.SqlCommand cmd =new ("SELECT *FROM MyTable",con);SqlDataAdapter da =SqlDataAdapter(cmd);DataSet ds =new DataSet();da.Fill(ds,"MyTable");D.SqlDataAdapter da =SqlDataAdapter("SELECT *FROM MyTable",con);DataSet ds =new DataSet();da.Fill(ds.Tables["MyTable"]);
A.ShowMenuB.MenuStripC.ContextMenuStripD.Menu
A.TextB.CaptionC.NameD.Font
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