asp.net使用存储过程简单实例
web.config中加入数据库联接字符串
<connectionStrings>
<!--链接SQL Server数据库的链接字符串-->
<add name="SQLCONNECTIONSTRING" connectionString="data Source=192.168.1.55;database=db_name;user providerName="System.Data.SqlClient"></add>
</connectionStrings>
app_code中 user.cs
using System.Data.SqlClient;
/// <summary>
/// 接口
/// </summary>
public interface IUser
{
SqlDataReader GetUserLoginByProc(int p_u_id);
}
/// <summary>
/// user 的摘要说明
/// </summary>
public class User:IUser
{
public User()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public SqlDataReader GetUserLoginByProc(int p_u_id)
{
///创建链接
SqlConnection myConnection = new SqlConnection(
ConfigurationManager.ConnectionStrings["SQLCONNECTIONSTRING"].ConnectionString);
///创建Command
SqlCommand myCommand = new SqlCommand("pr_test", myConnection);
///设置为执行存储过程
myCommand.CommandType = CommandType.StoredProcedure;
///添加存储过程的参数
SqlParameter pUID = new SqlParameter("@u_id", SqlDbType.Int);
pUID.Value = p_u_id;
myCommand.Parameters.Add(pUID);
///定义DataReader
SqlDataReader dr = null;
try
{
///打开链接
myConnection.Open();
///读取数据
dr = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
}
catch (SqlException ex)
{
///抛出异常
throw new Exception(ex.Message, ex);
}
///返回DataReader
return dr;
}
}
代码调用
protected void Page_Load(object sender, EventArgs e)
{
IUser user = new User();
SqlDataReader sdr = user.GetUserLoginByProc(1);
if (sdr.Read())
{
Label1.Text = sdr["u_truename"].ToString();
}
else
{
Label1.Text = "xxxxxxxxxxxxxxx";
}
}
