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Password.cs
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Password.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.Data.OleDb;
using System.Data.SqlClient;
using System.Windows.Forms;
namespace HRM
{
public partial class Password : Form
{
public int EmployeeID = 0;
public Password()
{
InitializeComponent();
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
}
private void saveButton_Click(object sender, EventArgs e)
{
string query = "";
if (EmpIdtextBox.Text.Trim() == "")
{
MessageBox.Show("Please Enter Employee ID");
EmpIdtextBox.Focus();
return;
}
if (userNametextBox.Text.Trim() == "")
{
MessageBox.Show("Please Enter UserName");
userNametextBox.Focus();
return;
}
if (passwordtextBox.Text.Trim() == "")
{
MessageBox.Show("Please Enter Password");
passwordtextBox.Focus();
return;
}
if (confirmpasswordtextBox.Text.Trim() == "")
{
MessageBox.Show("Please Enter Confirm Passowrd");
confirmpasswordtextBox.Focus();
return;
}
if (passwordtextBox.Text != confirmpasswordtextBox.Text)
{
MessageBox.Show("Password does not match with Confirm Passowrd");
passwordtextBox.Focus();
confirmpasswordtextBox.Focus();
return;
}
query = "SELECT COUNT(*) FROM Employee_Info WHERE UserName = '" + userNametextBox.Text + "'";
if (EmployeeID == 0)
{
if (DbAccess.NumberOfRecords(query) > 0)
{
MessageBox.Show("This username already exists! Please try another username!");
userNametextBox.Focus();
return;
}
}
else
{
if (DbAccess.NumberOfRecords(query) > 1)
{
MessageBox.Show("This username already exists! Please try another username!");
userNametextBox.Focus();
return;
}
}
try
{
if (EmployeeID == 0)
{
query = "INSERT INTO Employee_Info(EmpID,UserName,Password) VALUES(" + EmpIdtextBox.Text + ", '" + userNametextBox.Text + "', '" + passwordtextBox.Text + "')";
}
else
{
query = "UPDATE Employee_Info SET Password = '" + passwordtextBox.Text + "' WHERE EmpID = " + EmployeeID;
}
if (DbAccess.ExecuteToDB(query))
{
if (EmployeeID == 0)
{
MessageBox.Show("Saved Successfully!!!");
}
else
{
MessageBox.Show("Updated Successfully!!!");
}
}
else
{
MessageBox.Show("Failed To Save!!!");
}
}
catch (Exception ex)
{
MessageBox.Show("Connection Error!!!");
}
finally
{
Reset();
}
}
private void deleteButton_Click(object sender, EventArgs e)
{
try
{
string query = "";
if (EmpIdtextBox.Text.Trim() == "")
{
MessageBox.Show("Please Enter Employee ID");
EmpIdtextBox.Focus();
return;
}
query = "DELETE FROM Employee_Info WHERE EmpID = " + EmployeeID;
if (DbAccess.ExecuteToDB(query))
{
if (EmployeeID != 0)
{
MessageBox.Show("Delete Successfully!!!");
}
else
{
MessageBox.Show("Failed To Delete!!!");
}
}
}
catch (Exception ex)
{
MessageBox.Show("Connection Error!!!");
}
finally
{
Reset();
}
}
private void ResetButton_Click(object sender, EventArgs e)
{
Reset();
}
private void EmpIdtextBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter && EmpIdtextBox.Text != "")
{
e.Handled = true;
userNametextBox.ReadOnly = true;
SetValue();
deleteButton.Enabled = true;
}
}
private void SetValue()
{
try
{
String query = "SELECT * FROM Employee_Info WHERE EmpID = " + Convert.ToInt32(EmpIdtextBox.Text);
SqlDataReader reader = DbAccess.GetFromDB(query);
if (reader.HasRows)
{
while (reader.Read())
{
userNametextBox.Text = reader["UserName"].ToString();
passwordtextBox.Text = reader["Password"].ToString();
confirmpasswordtextBox.Text = passwordtextBox.Text;
}
}
}
catch (Exception ex)
{
}
finally
{
EmployeeID = Convert.ToInt32(EmpIdtextBox.Text);
DbAccess.connnection.Close();
}
}
private void Reset()
{
EmpIdtextBox.Text = "";
userNametextBox.Text = "";
passwordtextBox.Text = "";
confirmpasswordtextBox.Text = "";
userNametextBox.ReadOnly = false;
EmployeeID = 0;
deleteButton.Enabled = false;
}
private void EmpIdtextBox_TextChanged(object sender, EventArgs e)
{
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
private void Password_Load(object sender, EventArgs e)
{
deleteButton.Enabled = false;
}
}
}