private void btnLogin_Click(object sender, EventArgs e)
{
if (txtUsername.Text == "")
{
MessageBox.Show("Please enter Login Name");
txtUsername.Focus();
return;
}
if (txtPassword.Text == "")
{
MessageBox.Show("Please enter Password");
txtPassword.Focus();
return;
}
if (cbType.Text == "")
{
MessageBox.Show("Please Select the Type");
cbType.Focus();
return;
}
if (File.Exists("NetSet.txt"))
{
FileStream fs = new FileStream("NetSet.txt", FileMode.Open);
BinaryReader br = new BinaryReader(fs);
TempClass.hostIP = br.ReadString();
fs.Close();
br.Close();
/*This code will connect InstantChat project with Chat database,
created in Microsoft SQL Server 2005 having SQL authentication.
User has to change this connection code as per his compuer node.*/
TempClass.connectionString = ("Data Source=" + TempClass.hostIP + ";Initial Catalog=Chat;User ID=sa");
}
else
{
NetworkSetting serverAdd = new NetworkSetting();
serverAdd.Show();
}
if (TempClass.hostIP != "")
{
try
{
con = new System.Data.SqlClient.SqlConnection(TempClass.connectionString);
con.Open();
SqlDataAdapter adp = new SqlDataAdapter("Select * From tbCreateAccount", con);
DataSet ds = new DataSet();
adp.Fill(ds, "tbCreateAccount");
if (ds.Tables.Count > 0)
{
foreach (DataRow dr in ds.Tables[0].Rows)
{
if ((dr["loginName"].ToString() == txtUsername.Text) && (dr["passwd"].ToString() == txtPassword.Text) && (dr["type"].ToString() == cbType.SelectedItem.ToString()) && (dr["type"].ToString() == "Administrator"))
{
i = 1;
break;
}
else if ((dr["loginName"].ToString() == txtUsername.Text) && (dr["passwd"].ToString() == txtPassword.Text) && (dr["type"].ToString() == cbType.SelectedItem.ToString()) && (dr["type"].ToString() == "User"))
{
i = 2;
break;
}
else
{
continue;
}
}
}
if (i == 1 || i == 2)
{
SqlDataAdapter adp2 = new SqlDataAdapter("Select * From tbAddContact", con);
DataSet ds2 = new DataSet();
adp2.Fill(ds2, "tbAddContact");
if (ds2.Tables.Count > 0)
{
foreach (DataRow dr2 in ds2.Tables[0].Rows)
{
if (dr2["loginName"].ToString() == txtUsername.Text)
{
validUser1 = true;
break;
}
else
{
continue;
}
}
}
SqlDataAdapter adp4 = new SqlDataAdapter("Select * From tbContactList", con);
DataSet ds4 = new DataSet();
adp4.Fill(ds4, "tbContactList");
if (ds4.Tables.Count > 0)
{
foreach (DataRow dr in ds4.Tables[0].Rows)
{
if ((dr["loginName"].ToString() == txtUsername.Text) && (dr["userStatus"].ToString() == "Offline"))
{
validUser2 = true;
break;
}
else
{
continue;
}
}
}
if (validUser2 == true)
{
SqlCommand SqlCommand1 = con.CreateCommand();
SqlCommand1.CommandText = "UPDATE tbContactList SET userStatus=@userStatus WHERE loginName=@loginname";
SqlCommand1.Parameters.Add("@userStatus", SqlDbType.VarChar, 10);
SqlCommand1.Parameters.Add("@loginname", SqlDbType.VarChar, 100);
SqlCommand1.Parameters[0].Value = "Online";
SqlCommand1.Parameters[1].Value = txtUsername.Text;
SqlCommand1.ExecuteNonQuery();
}
if (validUser1 == true)
{
MessageBox.Show("User already Logged In");
con.Close();
TempClass.username = txtUsername.Text;
if (i == 1)
{
AdminStatus cs = new AdminStatus();
TempClass.admin = cs;
this.Hide();
TempClass.admin.Show();
}
if (i == 2)
{
UserStatus cs = new UserStatus();
TempClass.user = cs;
this.Hide();
TempClass.user.Show();
}
}
if (validUser1 == false)
{
SqlDataAdapter adp3 = new SqlDataAdapter("select * from tbAddContact", con);
DataSet ds3 = new DataSet();
adp3.Fill(ds3, "tbAddContact");
int var = ds3.Tables["tbAddContact"].Rows.Count;
DataTable table = null;
table = ds3.Tables["tbAddContact"];
DataRow newRow = null;
newRow = table.NewRow();
newRow["loginName"] = txtUsername.Text;
table.Rows.Add(newRow);
SqlCommandBuilder commandBuilder = null;
commandBuilder = new SqlCommandBuilder(adp3);
adp3.InsertCommand = commandBuilder.GetInsertCommand();
adp3.Update(ds3, "tbAddContact");
con.Close();
TempClass.username = txtUsername.Text;
if (i == 1)
{
AdminStatus cs = new AdminStatus();
TempClass.admin = cs;
this.Hide();
TempClass.admin.Show();
}
if (i == 2)
{
UserStatus cs = new UserStatus();
TempClass.user = cs;
this.Hide();
TempClass.user.Show();
}
}
}
if (i == 0)
{
MessageBox.Show("Provided information does not match.\nPlease Check Your Data");
}
}
catch (Exception ex)
{
MessageBox.Show("Provided information does not match.\nPlease Check Your Data");
}
}
}
private void btnNetworkSetting_Click(object sender, EventArgs e)
{
NetworkSetting frmNetworkSettings = new NetworkSetting();
frmNetworkSettings.ShowDialog();
}
