//帮我看看哪里出错了，谢谢，根本无法运行！

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using system.Data.SqlClient;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            //连接字符串
            private const string strConn=@"Data Source=.;Initial catalog=yangjie;"+"User ID=sa'pwd=Yj666888";
        //创建数据库连接
        Public bool checkuserInfo(string USerName,string pwd,ref string strMsg){
        SqlConnection conn=new SqlConnection(strConn);
        try{
            //创建Sql语句
        string strSql="select count(*) from yangjie;";
        conn.Open();
        //创建command 命令
        SqlCommand comm=new SqlCommand(strconn,conn);
        int iret=(int)comm.ExecuteScalar();//强制类型转换 转换成int
        }
        }
        }
    }
}

我的是表名，谢谢你啊

谢谢，

嗯嗯，知道了，谢谢