如何使用实体框架在asp.net中开发登录页面？ [英] How to develop login page in asp.net using entity framework ?

问题描述

hi
i是对entityframwork的新手

i想创建一个登录页面代码，因为我有一个数据库，表名用户（id，密码）

并且还在c＃中更改/重置密码代码

hi i am new to entityframwork
i want to create a login page code, for that i have a database, table with name users(id, password)
and also change/reset password code in c#

推荐答案

检查此示例应用程序：



< a href =http://www.codeproject.com/Tips/739164/Entity-Framework-Sample-Application-for-Beginners>初学者实体框架 [ ^ ]

Check this sample application:

Entity Framework for Beginners[^]

Finaly得到了代码。

Finaly got the code.

int id = Convert.ToInt32(txtusername.Text);
db2Entities db = db2Entities();
string query = (from c in db.AdminTables
where c.AdminID == id && c.AdminPassword == txtpassword.Text
select c.AdminFirstName).FirstOrDefault();
if (query != null)
{
Response.Redirect("/Admin/Dasboard.aspx");
}
else
Response.Write("Invalid User");

//**************************** For PasswordChange**************************************
try
{
db2Entities db = new db2Entities();
var query = (from c in db.AdminTables
where c.AdminPassword == txtoldpassword.Text
select c).FirstOrDefault();
query.AdminPassword = txtreenteredpassword.Text;
db.SaveChanges();
Label1.Visible = true;
Label1.Text = " Password Changed Sucessfully";
Response.Write("Password Changed Sucessfully");

}
catch (Exception ex )
{
Label1.Visible = true;
Label1.Text = " Error occured in Pasword changing";
//Response.Write(ex);

}

int id = Convert.ToInt32(txtusername.Text);
db2Entities db = db2Entities();
string query = (from c in db.AdminTables
where c.AdminID == id && c.AdminPassword == txtpassword.Text
select c.AdminFirstName).FirstOrDefault();
if (query != null)
{
Response.Redirect("/Admin/Dasboard.aspx");
}
else
Response.Write("Invalid User");

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