system.data.sqlclient.sqlexception类型的未经处理的异常出现在system.data.dll

[yanlong662]

源代码如下
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace 宾馆客房管理系统
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
if (IsUserIdentify() == true)
{
Form2 form1 = new Form2();
form1.Show();
this.Visible = false;
}
else
{

MessageBox.Show("用户名或密码错误");
}

}

private bool IsUserIdentify()
{

SqlConnection Conn = new SqlConnection("Data Source=.;Initial Catalog=客房管理系统;Integrated Security=True");

Conn.Open();

string sql = "SELECT Name,PassWord FROM Admin WHERE Name='" + this.textBox1.Text + "'and PassWord='" + this.textBox2.Text + "'";
SqlCommand Cmd = new SqlCommand(sql, Conn);
SqlDataReader reader = Cmd.ExecuteReader();

if (reader.Read())
{
return true;
}
else
{
return false;
}
Conn.Close();
}

private void label1_Click(object sender, EventArgs e)
{

}

private void Form1_Load(object sender, EventArgs e)
{

}


}
}


大神帮忙，小弟不胜感激

[宝_爸]

哪里异常，以及异常信息。尤其是stack trace

[bdmh]

调试啊，就这么几句话