见以下语句,请帮忙补充一下拿到数据集,并将数据表设置给gridview.datasource,谢谢System.Data.OracleClient.OracleConnection conn = new System.Data.OracleClient.OracleConnection("Data Source=ora9i;Persist Security Info=True;User ID=aaaa;Password=bbbbbbbbbbb;Unicode=True");
System.Data.OracleClient.OracleCommand cmd = new System.Data.OracleClient.OracleCommand();
cmd.Connection = conn;
cmd.CommandText = "select menuid,menunamefrom menu order by menuid";...
System.Data.OracleClient.OracleCommand cmd = new System.Data.OracleClient.OracleCommand();
cmd.Connection = conn;
cmd.CommandText = "select menuid,menunamefrom menu order by menuid";...
System.Data.OracleClient.OracleCommand cmd = new System.Data.OracleClient.OracleCommand();
cmd.Connection = conn;
cmd.CommandText = "select menuid,menunamefrom menu order by menuid";
OracleDataAdapter daCommon = new OracleDataAdapter(cmd);
DataSet ds = new DataSet();
this.GridView.DataSourse = ds;
this.GridView.DataBound();
到底少了哪个命名空间?
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
现在是新的问题System.Data.OracleClient.OracleConnection conn = new System.Data.OracleClient.OracleConnection("Data Source=aaa;Persist Security Info=True;User ID=asfa;Password=sdfdshsfs;Unicode=True");
System.Data.OracleClient.OracleCommand cmd = new System.Data.OracleClient.OracleCommand();
cmd.Connection = conn;
cmd.CommandText = "update xmenu set menuname=:value1,pagename=:value2 where menuid=:value3";
cmd.Parameters.Add("value1", System.Data.OracleClient.OracleType.VarChar).Value = "aaaa";
cmd.Parameters.Add("value2", System.Data.OracleClient.OracleType.VarChar).Value = "bbbb";
cmd.Parameters.Add("value3", System.Data.OracleClient.OracleType.VarChar).Value = "001";
cmd.ExecuteNonQuery;执行到cmd.ExecuteNonQuery;这句时出错,提示为: 编译器错误消息: CS0201: 只有 assignment、call、increment、decrement 和 new 对象表达式可用作语句问题出在哪啦??