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ChangePasswordForm.cs
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ChangePasswordForm.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace NEWPROJECT
{
public partial class ChangePasswordForm : Form
{
ConnectionClass conn = new ConnectionClass();
public ChangePasswordForm()
{
InitializeComponent();
}
private void ChangePasswordForm_Load(object sender, EventArgs e)
{
SqlCommand cmd2 = new SqlCommand("select * from Admin", conn.connect);
conn.connect.Open();
SqlDataReader dr = cmd2.ExecuteReader();
while (dr.Read())
{
Emailbox.AutoCompleteCustomSource.Add(dr["E_mail"].ToString());
}
conn.connect.Close();
Emailbox.Focus();
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
//public void Load()
//{
// EMSLOGINFORM loginform = new EMSLOGINFORM();
// ConnectionClass conn = new ConnectionClass();
// SqlCommand cmd = new SqlCommand("select * from Admin", conn.connect);
// conn.connect.Open();
// SqlDataReader dr = cmd.ExecuteReader();
// while (dr.Read())
// {
// loginform.textBox1.AutoCompleteCustomSource.Add(dr["E_mail"].ToString());
// }
// conn.connect.Close();
// loginform.textBox1.Focus();
//}
private void button1_Click(object sender, EventArgs e)
{
SubmitBtn();
}
private bool SubmitBtn()
{
bool ret = true;
{
try
{
if (Emailbox.Text == "")
{
lblNameIsRequired.Visible = true;
ret = false;
}
else
{
lblNameIsRequired.Visible = false;
}
if (CurrentPasswordBox.Text == "")
{
lblEmailIsRequired.Visible = true;
ret = false;
}
else
{
lblEmailIsRequired.Visible = false;
}
if (NewPasswordBox.Text == "")
{
lblPasswordIsRequired.Visible = true;
ret = false;
}
else
{
lblPasswordIsRequired.Visible = false;
}
if (ConfirmPasswordBox.Text == "")
{
lblConfirmPasswordIsRequired.Visible = true;
ret = false;
}
else
{
lblConfirmPasswordIsRequired.Visible = false;
}
//if (NewPasswordBox.Text != "" && ConfirmPasswordBox.Text != "")
//{
// if (NewPasswordBox != ConfirmPasswordBox)
// {
// lblConfirmPasswordAndPasswordSame.Visible = true;
// ret = false;
// }
//}
//else
//{
// lblConfirmPasswordAndPasswordSame.Visible = false;
//}
if ((Emailbox.Text != "") && (CurrentPasswordBox.Text != "") && (NewPasswordBox.Text != "") && (ConfirmPasswordBox.Text != ""))
{
//this is connection check email is exist if condtion is true so then check current password is exist into the database
SqlCommand cmd = new SqlCommand("Select Count(*) From Admin Where E_mail = @E_mail", conn.connect);
cmd.Parameters.AddWithValue("@E_mail", Emailbox.Text);
conn.connect.Open();
int Result = (int)cmd.ExecuteScalar();
if (Result == 1)
{
//this connection is check that current password is exist
SqlCommand cmd2 = new SqlCommand("Select Count(*) From Admin Where Password = @Password AND E_mail = @Email", conn.connect);
cmd2.Parameters.AddWithValue("@Email", Emailbox.Text);
cmd2.Parameters.AddWithValue("@Password", CurrentPasswordBox.Text);
//conn.connect.Open();
int Result2 = (int)cmd2.ExecuteScalar();
//conn.connect.Close();
if (Result2 == 1)
{
if(NewPasswordBox.Text == ConfirmPasswordBox.Text)
{
SqlCommand cmd3 = new SqlCommand("update Admin Set Password=@Password where E_mail=@E_mail",conn.connect);
cmd3.Parameters.AddWithValue("@E_mail", Emailbox.Text);
cmd3.Parameters.AddWithValue("@Password",ConfirmPasswordBox.Text);
cmd3.ExecuteNonQuery();
DialogResult Dr = MessageBox.Show("Password have changed", "Done", MessageBoxButtons.OK, MessageBoxIcon.Information);
if(Dr==DialogResult.OK)
{
CurrentPasswordBox.Clear();
NewPasswordBox.Clear();
ConfirmPasswordBox.Clear();
}
conn.connect.Close();
}
else
{
lblConfirmPasswordIsRequired.Text = "Password does not match";
lblConfirmPasswordIsRequired.Visible = true;
conn.connect.Close();
}
}
else
{
lblEmailIsRequired.Text = "Password does not exist";
lblEmailIsRequired.Visible = true;
CurrentPasswordBox.Clear();
NewPasswordBox.Clear();
ConfirmPasswordBox.Clear();
conn.connect.Close();
}
}
else
{
lblNameIsRequired.Text = "Email does not exist";
lblNameIsRequired.Visible = true;
Emailbox.Clear();
CurrentPasswordBox.Clear();
NewPasswordBox.Clear();
ConfirmPasswordBox.Clear();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return ret;
}
}
private void Emailbox_TextChanged(object sender, EventArgs e)
{
SqlCommand cmd = new SqlCommand("Select Count(*) From Admin Where E_mail = @E_mail", conn.connect);
cmd.Parameters.AddWithValue("@E_mail", Emailbox.Text);
conn.connect.Open();
int Result = (int)cmd.ExecuteScalar();
if (Result != 1)
{
lblNameIsRequired.Text = "Email Does Not Exist";
lblNameIsRequired.Visible = true;
}
else
{
lblNameIsRequired.Visible = false;
}
conn.connect.Close();
}
private void lblNameIsRequired_Click(object sender, EventArgs e)
{
}
private void lblConfirmPasswordIsRequired_Click(object sender, EventArgs e)
{
}
private void ChangePasswordForm_Load_1(object sender, EventArgs e)
{
ConnectionClass conn = new ConnectionClass();
SqlCommand cmd = new SqlCommand("select * from Admin", conn.connect);
conn.connect.Open();
SqlDataReader dr = cmd.ExecuteReader();
while (dr.Read())
{
Emailbox.AutoCompleteCustomSource.Add(dr["E_mail"].ToString());
}
conn.connect.Close();
Emailbox.Focus();
}
}
}