public billdetail SearchCustomer(string cuName)
{
billdetail cd = null;
SortByName();
int pos = GetPosition(cuName);
if (pos != -1)
{
using (FileStream LoginReader = new FileStream("BillDetails.txt", FileMode.Open))
{
cd = new billdetail();
string line = "";
int chr;
LoginReader.Seek(pos, SeekOrigin.Begin);
while ((chr = LoginReader.ReadByte()) > 0)
{
char c;
c = Convert.ToChar(chr);
if (c == '$')
{
break;
}
line += c;
}
string[] subStr = line.Split('|');
cd.Customer_ID = int.Parse(subStr[0]);
cd.Room_Type = subStr[1];
cd.Payment = subStr[2];
}
return(cd);
}
return(cd);
}
private void btnsearch_Click(object sender, EventArgs e)
{
int id;
bool flag = int.TryParse(txtcustid.Text, out id);
if (!flag)
{
MessageBox.Show("Invalid ID");
return;
}
billcontroller std = new billcontroller();
billdetail i = std.Searchcustomer(id);
if (i != null)
{
a = true;
txtcustid.Text = i.Customer_ID.ToString();
}
else
{
a = false;
MessageBox.Show("Record Not Found");
}
billcontroller sc = new billcontroller();
dt = new DataTable();
if (a == true)
{
dt.Columns.Add("Customer_ID", System.Type.GetType("System.String"));
dt.Columns.Add("Room_Type", System.Type.GetType("System.String"));
dt.Columns.Add("Payment", System.Type.GetType("System.String"));
List <billdetail> d = sc.GetAllitem();
foreach (var s in d)
{
if (id == s.Customer_ID)
{
dt.Rows.Add(new object[] { s.Customer_ID, s.Room_Type, s.Payment });
}
}
dataGridView1.DataSource = dt;
}
}
public billdetail Searchcustomer(int Boid)
{
billdetail cd = null;
int pos = GetPosition(Boid);
if (pos != -1)
{
using (FileStream LoginReader = new FileStream("BillDetails.txt", FileMode.Open))
{
cd = new billdetail();
string line = "";
int chr;
LoginReader.Seek(pos, SeekOrigin.Begin);
while ((chr = LoginReader.ReadByte()) > 0)
{
char c;
c = Convert.ToChar(chr);
if (c == '$')
{
break;
}
line += c;
}
string[] subStr = line.Split('|');
try
{
cd.Customer_ID = int.Parse(subStr[0]);
cd.Room_Type = subStr[1];
cd.Payment = subStr[2];
}
catch (Exception e)
{
Console.Out.WriteLine(e.StackTrace);
Console.Out.WriteLine("inside search customer error ---------------------");
}
}
return(cd);
}
return(cd);
}