- frmCustomerRegistration.cs
- project /
1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.Linq;
7 using System.Text;
8 using System.Windows.Forms;
9 using System.Data.SqlClient;
10 namespace WarehouseManagementSystem
11 {
12 public partial class frmCustomerRegistration : Form
13 {
14 SqlDataReader rdr = null;
15 DataTable dtable = new DataTable();
16 SqlConnection con = null;
17 SqlCommand cmd = null;
18 DataTable dt = new DataTable();
19 ConnectionString cs = new ConnectionString();
20 public frmCustomerRegistration()
21 {
22 InitializeComponent();
23 }
24
25 private void Form1_Load(object sender, EventArgs e)
26 {
27
28 }
29
30 private void Register_Click(object sender, EventArgs e)
31 {
32 if (txtUsername.Text == "")
33 {
34 MessageBox.Show("Please enter username", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
35 txtUsername.Focus();
36 return;
37 }
38
39 if (txtPassword.Text == "")
40 {
41 MessageBox.Show("Please enter password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
42 txtPassword.Focus();
43 return;
44 }
45 if (txtName.Text == "")
46 {
47 MessageBox.Show("Please enter name", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
48 txtName.Focus();
49 return;
50 }
51 if (txtContact_no.Text == "")
52 {
53 MessageBox.Show("Please enter contact no.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
54 txtContact_no.Focus();
55 return;
56 }
57 if (txtEmail_Address.Text == "")
58 {
59 MessageBox.Show("Please enter email", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
60 txtEmail_Address.Focus();
61 return;
62 }
63 try
64 {
65 con = new SqlConnection(cs.DBConn);
66 con.Open();
67 string ct = "select username from registration where username=@find";
68
69 cmd = new SqlCommand(ct);
70 cmd.Connection = con;
71 cmd.Parameters.Add(new SqlParameter("@find", System.Data.SqlDbType.NChar, 30, "username"));
72 cmd.Parameters["@find"].Value = txtUsername.Text;
73 rdr = cmd.ExecuteReader();
74
75 if (rdr.Read())
76 {
77 MessageBox.Show("Username Already Exists", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
78 txtUsername.Text = "";
79 txtUsername.Focus();
80
81
82 if ((rdr != null))
83 {
84 rdr.Close();
85 }
86 return;
87 }
88 con = new SqlConnection(cs.DBConn);
89 con.Open();
90 string ct1 = "select Email from registration where Email='" + txtEmail_Address.Text + "'";
91
92 cmd = new SqlCommand(ct1);
93 cmd.Connection = con;
94 rdr = cmd.ExecuteReader();
95
96 if (rdr.Read())
97 {
98 MessageBox.Show("Email ID Already Exists", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
99 txtEmail_Address.Text = "";
100 txtEmail_Address.Focus();
101
102
103 if ((rdr != null))
104 {
105 rdr.Close();
106 }
107 return;
108 }
109 con = new SqlConnection(cs.DBConn);
110 con.Open();
111
112 string cb = "insert into Registration(Username,UserType,Password,ContactNo,Email,Name,JoiningDate) VALUES ('" + txtUsername.Text + "','Customer','" + txtPassword.Text + "','" + txtContact_no.Text + "','" + txtEmail_Address.Text + "','" + txtName.Text + "','" + System.DateTime.Now + "')";
113
114 cmd = new SqlCommand(cb);
115 cmd.Connection = con;
116 cmd.ExecuteReader();
117 con.Close();
118 MessageBox.Show("Successfully Registered", "User", MessageBoxButtons.OK, MessageBoxIcon.Information);
119
120 }
121 catch (Exception ex)
122 {
123 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
124 }
125 }
126
127
128 private void CheckAvailability_Click(object sender, EventArgs e)
129 {
130 try
131 {
132 if (txtUsername.Text == "")
133 {
134 MessageBox.Show("Please enter username", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
135 txtUsername.Focus();
136 return;
137 }
138 con = new SqlConnection(cs.DBConn);
139 con.Open();
140 string ct = "select username from registration where username='" + txtUsername.Text + "'";
141
142 cmd = new SqlCommand(ct);
143 cmd.Connection = con;
144 rdr = cmd.ExecuteReader();
145
146 if (rdr.Read())
147 {
148 MessageBox.Show("Username not available", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
149 return;
150 }
151 if (!rdr.Read())
152 {
153 MessageBox.Show("Username available", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
154 txtUsername.Focus();
155
156 }
157 if ((rdr != null))
158 {
159 rdr.Close();
160 }
161 }
162 catch (Exception ex)
163 {
164 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
165 }
166 }
167
168 private void Email_Address_Validating(object sender, CancelEventArgs e)
169 {
170 System.Text.RegularExpressions.Regex rEMail = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z][\w\.-]{2,28}[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$");
171 if (txtEmail_Address.Text.Length > 0)
172 {
173 if (!rEMail.IsMatch(txtEmail_Address.Text))
174 {
175 MessageBox.Show("invalid email address", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
176 txtEmail_Address.SelectAll();
177 e.Cancel = true;
178 }
179 }
180 }
181
182 private void Name_Of_User_KeyPress(object sender, KeyPressEventArgs e)
183 {
184 e.Handled = !(char.IsLetter(e.KeyChar) || e.KeyChar == (char)Keys.Back || e.KeyChar == (char)Keys.Space);
185 }
186
187 private void Username_Validating(object sender, CancelEventArgs e)
188 {
189 System.Text.RegularExpressions.Regex rEMail = new System.Text.RegularExpressions.Regex("^[a-zA-Z0-9_]");
190 if (txtUsername.Text.Length > 0)
191 {
192 if (!rEMail.IsMatch(txtUsername.Text))
193 {
194 MessageBox.Show("only letters,numbers and underscore is allowed", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
195 txtUsername.SelectAll();
196 e.Cancel = true;
197 }
198 }
199 }
200
201
202 private void txtContact_no_KeyPress(object sender, KeyPressEventArgs e)
203 {
204 if (char.IsDigit(e.KeyChar) || char.IsControl(e.KeyChar))
205 {
206 e.Handled = false;
207 }
208 else
209 {
210 e.Handled = true;
211 }
212 }
213
214 private void frmCustomerRegistration_FormClosing(object sender, FormClosingEventArgs e)
215 {
216 this.Hide();
217 frmLogin frm = new frmLogin();
218 frm.txtUserName.Text = "";
219 frm.txtPassword.Text = "";
220 frm.ProgressBar1.Visible = false;
221 frm.txtUserName.Focus();
222 frm.Show();
223 }
224 }
225 }
