熟悉Dundas图形控件的朋友们,进来看看.
小弟下载了Dundas控件,参照例子执行发现不能编译,大家给看一下,谢谢.
我要做的事情:从数据库选择两列,然后帮定X和Y轴,输出图形界面.
程序:
………………
SqlCommand sqlCmd = sqlConn.CreateCommand();
sqlCmd.CommandType = System.Data.CommandType.Text;
sqlCmd.CommandText = "select A0101,sum(A0301) as sss from mytable group by A0101"
sqlCmd.ExecuteScalar();
Chart1.Series["Default"].ValueMemberX = "A0101";
Chart1.Series["Default"].ValueMemberY = "sss";
Chart1.DataBind();
………………
报如下错误:
Data series with name "Default" was not found in the series collection.
请大家帮忙解决一下,问题处在那里。