using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data.SqlClient;
using System.IO;
using System.Text;namespace Game
{
public partial class select : System.Web.UI.Page
{
public readonly static string lianjie = ConfigurationManager.ConnectionStrings["student"].ConnectionString;
SqlConnection conn = new SqlConnection(lianjie);[NullReferenceException: 未将对象引用设置到对象的实例。]
Game.select..cctor() in D:\桌面\web.net\Game\Game\select.aspx.cs:15[TypeInitializationException: “Game.select”的类型初始值设定项引发异常。]
Game.select..ctor() in D:\桌面\web.net\Game\Game\select.aspx.cs:16
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data.SqlClient;
using System.IO;
using System.Text;namespace Game
{
public partial class select : System.Web.UI.Page
{
public readonly static string lianjie = ConfigurationManager.ConnectionStrings["student"].ConnectionString;
SqlConnection conn = new SqlConnection(lianjie);[NullReferenceException: 未将对象引用设置到对象的实例。]
Game.select..cctor() in D:\桌面\web.net\Game\Game\select.aspx.cs:15[TypeInitializationException: “Game.select”的类型初始值设定项引发异常。]
Game.select..ctor() in D:\桌面\web.net\Game\Game\select.aspx.cs:16
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货