App_Code/Class1.cs
(完整代码) 1KBusing System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
/// <summary>
/// Class1 的摘要说明:主要用于登陆调用,检验用户名的存在 以及 注册
/// </summary>
public class Class1
{ private SqlConnection connection1=new SqlConnection();
private SqlCommand command1 = new SqlCommand();
public Class1()//初始化
{ SqlConnection connection1=new SqlConnection();
SqlCommand command1 = new SqlCommand();
//connection1.ConnectionString = "Provider=System.Data.SqlClient;Data Source=.\\sqlexpress;Initial Catalog=information;Integrated Security=True";
//
// TODO: 在此处添加构造函数逻辑
//
}
public int store(string text,int i) //command 执行 SELECT 成功时返回1,检验是否重复(返回P)或是否在数据库中存在.
{
int p;
connection1.ConnectionString = "Data Source=.;Initial Catalog=information;Integrated Security=True";
command1.Connection = connection1;
connection1.Open();
command1.CommandText = text;
//command1.ExecuteNonQuery();
// connection1.Close();
//Convert.ToInt32
p = Convert.ToInt32(command1.ExecuteScalar());//返回首列首行的数值,
connection1.Close();
return p;
}
}
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