Hi i am having difficulty in changing the password

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="changepassword.aspx.cs" Inherits="changepassword" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Change Password</title>
</head>
<body bgcolor="#CCFFFF">
<center>
    <h1><u>Online Shopping Cart</u></h1></center>
    <form id="form1" runat="server">
    <div>
    <p align="center"><font size="5"><b>Change Password</b></font></p>
    <asp:Panel style="position:absolute; top: 143px; left: 458px; height :182px; width: 340px; margin-top: 3px;" ID="Panel1"
        runat="server" BackColor="Silver" BorderColor="#660033"
        BorderStyle="Solid" HorizontalAlign="Center" ScrollBars="Vertical">
        <table align="center" cellpadding="2" cellspacing="2" width="100%">
            <tr>
                <td style="padding-left:10px">
                    User ID</td>
                <td>
                    <asp:TextBox ID="UserId" Runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td style="padding-left:10px">
                    Old Password</td>
                <td>
                    <asp:TextBox ID="Pwd" Runat="server" TextMode="Password"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td style="padding-left:10px">
                    New Password</td>
                <td>
                    <asp:TextBox ID="NPwd" Runat="server" CssClass="TblBorder" TextMode="Password"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td height="20" style="padding-left:10px">
                    Confirm Password&nbsp;</td>
                <td>
                    <asp:TextBox ID="CPwd" Runat="server" CssClass="TblBorder" TextMode="Password"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td height="5">
                </td>
            </tr>
            <tr>
                <td>
                    &nbsp;</td>
                <td>
                    <asp:Button ID="Submit" runat="server" OnClick="Submit_Click" />
                    &nbsp;&nbsp; <%--<asp:Button ID="Cancel" runat="server" OnClick="Cancel_Click" />
--%></td>
            </tr>
        </table>

   </asp:Panel>
    </div>
    </form>
</body>
</html>

code behind file

protected void Submit_Click(object sender, EventArgs e)
{

SqlConnection con = new SqlConnection();
con.ConnectionString = ConfigurationManager.ConnectionStrings["sampleConnectionString2"].ToString();
con.Open();
SqlCommand cmd=new SqlCommand("UPDATE Users SET Password='" +NPwd.Text.Trim()+ "' where UserName = '" +UserId.Text+ "' AND Password='" +Pwd.Text+ "'");
cmd.ExecuteNonQuery();
con.Close();
Response.Write("<script language=Javascript>alert('Your Password Has Been Changed,Please Login With New Password')</script>");
Response.Redirect("~/Default.aspx");

}
}

its showing error while updating password in execute nonquery

Posted 28-Feb-12 20:36pm

sankarreddyece

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thatraja 29-Feb-12 3:54am

What's the error message?

1 solution

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palraj001 · Answer 1 · 2012-02-28T20:48:00

Solution 1

C#

SqlCommand cmd=new SqlCommand("UPDATE Users SET Password='" +NPwd.Text.Trim()+ "' where UserName = '" +UserId.Text+ "' AND Password='" +Pwd.Text+ "'",con);

Posted 28-Feb-12 20:48pm

palraj001

Comments

sankarreddyece 29-Feb-12 3:02am

update register set password='" + NPwd.Text.Trim() + "' where username = '" + UserId.Text + "' and password='" + Pwd.Text + "'"
i will change this one also again it showing an error

sankarreddyece 29-Feb-12 3:06am

username password email
sankar ksr740 System.Web.UI.WebControls.TextBox
sankarreddyk ksr740 reddysankark@yahoo.com

this is my database

palraj001 29-Feb-12 4:08am

what error?