Asp.Mvc 2.0 사용자 등록 실례 설명 실현(1)

publicActionResult Register()
 {
 return View();
 }
 

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Data.SqlClient; 
using System.Data; 
 
namespace MvcLogin.Models 
{ 
 public class SqlHelper 
 { 
 //         
 readonly string conStr = "server=.;uid=sa;pwd=123;database=cztest;Min Pool Size=10;"; 
 
 string strAdd = @"INSERT INTO dbo.UserInfo 
 ( UserName, UserPwd, Email ) 
VALUES ( '{0}', -- UserName - varchar(20) 
 '{1}', -- UserPwd - varchar(20) 
 '{2}' -- Email - varchar(50) 
 )"; 
 
 string strUserExist = @" SELECT * FROM dbo.UserInfo WHERE UserName='{0}' AND UserPwd='{1}'"; 
 
 /// <summary> 
 ///      
 /// </summary> 
 /// <param name="model"></param> 
 /// <returns></returns> 
 public bool AddUser(RegisterModel model) 
 { 
 strAdd = string.Format(strAdd, model.UserName, model.UserPwd, model.Email); 
 SqlConnection con = new SqlConnection(conStr); 
 con.Open(); 
 SqlCommand cmd = new SqlCommand(strAdd,con); 
 int o = cmd.ExecuteNonQuery(); 
 con.Close(); 
 if (o>0) 
 { 
 return true; 
 } 
 return false; 
 } 
 
 /// <summary> 
 ///          
 /// </summary> 
 /// <param name="model"></param> 
 /// <returns></returns> 
 public bool ExistUser(RegisterModel model) 
 { 
 strUserExist = string.Format(strUserExist, model.UserName, model.UserPwd); 
 SqlConnection con = new SqlConnection(conStr); 
 con.Open(); 
 SqlCommand cmd = new SqlCommand(strUserExist, con); 
 SqlDataAdapter adp = new SqlDataAdapter(cmd); 
 DataSet ds = new DataSet(); 
 adp.Fill(ds); 
 con.Close(); 
 if (ds!=null&&ds.Tables[0].Rows.Count>0) 
 { 
 return true; 
 } 
 return false; 
 } 
 
 } 
} 

/// <summary> 
 ///      
 /// </summary> 
 /// <param name="model"></param> 
 /// <returns></returns> 
 [HttpPost] 
 public ActionResult Register(Models.RegisterModel model) 
 { 
 bool result = false; 
 if (!new Models.SqlHelper().ExistUser(model)) 
 { 
 result = new Models.SqlHelper().AddUser(model); 
 } 
 
 if (result) 
 { 
 //         
 FormsService.SignIn(model.UserName, false); 
 return RedirectToAction("index"); 
 } 
 else 
 { 
 //       
 ViewData["msg"] = "      "; 
 return View(model); 
 } 
 }