ASP.NET修改密码代码
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修改密码代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;
public partial class changepassword : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
//读取web.config配置⽂件数据库连接字符串
string strConstring = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
//创建sql数据库连接对象
SqlConnection conn = new SqlConnection();
conn.ConnectionString = strConstring;
conn.Open();
try
{
SqlCommand selectedcmd = new SqlCommand("select from users where userid='"+Session["userid"].ToString()+"'and password='"+origin.Text.Trim()+"'",conn);
SqlDataReader sdr = selectedcmd.ExecuteReader();
if (sdr.Read())
{
SqlCommand updatecmd = new SqlCommand("update users set password='" + newpwd.Text.Trim() + "'where userid='" + Session["userid"].ToString() + "'", conn);
int i = updatecmd.ExecuteNonQuery();
if (i == 1)
{
Response.Write("<script language =javascript>alert('密码修改成功')</script>");
}
else
{
Response.Write("<script language =javascript>alert('密码修改失败')</script>");
}
}
else
{
Response.Write("<script language =javascript>alert('原密码错误')</script>");
}
}
catch (System.Exception ee)
{
Response.Write("<script language =javascript>alert('" + ee.Message.ToString() + "')</script>");
}
finally
{
conn.Close();
}
}。