private void btndelete_Click(object sender, EventArgs e)
{
cc = new itemdetailcontroller();
dt = new DataTable("SearchRecords");
dt.Columns.Add("Customer_ID", System.Type.GetType("System.String"));
dt.Columns.Add("Fname", System.Type.GetType("System.String"));
dt.Columns.Add("Lname", System.Type.GetType("System.String"));
dt.Columns.Add("email", System.Type.GetType("System.String"));
dt.Columns.Add("phone", System.Type.GetType("System.String"));
dataGridView2.DataSource = dt;
btndelete.Visible = false;
DialogResult dr = MessageBox.Show("You want to delete the record ?", "Confirm", MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
if (id != -1)
{
cc.DeleteRecord(id);
dt.Rows.Clear();
MessageBox.Show("Record Deleted");
btndelete.Visible = false;
}
}
searchType = 0;
bool flag = false;
itemdetail cd = null;
flag = int.TryParse(txtcustid.Text, out id);
cd = cc.Searchcustomer(id);
if (cd == null)
{
flag = false;
}
else
{
id = cd.Customer_ID;
searchType = 1;
flag = true;
}
if (flag)
{
dt.Rows.Clear();
dt.Rows.Add(new object[] {
cd.Customer_ID, cd.Fname, cd.Lname, cd.email, cd.phone
});
btndelete.Visible = true;
}
else
{
dt.Rows.Clear();
MessageBox.Show("Record Not Found");
id = -1;
btndelete.Visible = false;
}
}
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;
}
itemdetailcontroller std = new itemdetailcontroller();
itemdetail i = std.Searchcustomer(id);
if (i != null)
{
a = true;
txtcustid.Text = i.Customer_ID.ToString();
}
else
{
a = false;
MessageBox.Show("Record Not Found");
}
itemdetailcontroller sc = new itemdetailcontroller();
dt = new DataTable();
if (a == true)
{
dt.Columns.Add("Customer_ID", System.Type.GetType("System.String"));
dt.Columns.Add("Fname", System.Type.GetType("System.String"));
dt.Columns.Add("Lname", System.Type.GetType("System.String"));
dt.Columns.Add("email", System.Type.GetType("System.String"));
dt.Columns.Add("phone", System.Type.GetType("System.String"));
List <itemdetail> d = sc.GetAllitem();
foreach (var s in d)
{
if (id == s.Customer_ID)
{
dt.Rows.Add(new object[] { s.Customer_ID, s.Fname, s.Lname, s.email, s.phone });
}
}
dataGridView2.DataSource = dt;
}
}
public itemdetail Searchcustomer(int Boid)
{
itemdetail cd = null;
int pos = GetPosition(Boid);
if (pos != -1)
{
using (FileStream LoginReader = new FileStream("CustomerDetails.txt", FileMode.Open))
{
cd = new itemdetail();
string line = "";
int chr;
LoginReader.Seek(pos, SeekOrigin.Begin);
while ((chr = LoginReader.ReadByte()) > 0)
{
char c;
c = Convert.ToChar(chr);
if (c == '$')
{
break;
}
line += c;
}
string[] subStr = line.Split('|');
try
{
cd.Customer_ID = int.Parse(subStr[0]);
cd.Fname = subStr[1];
cd.Lname = subStr[2];
cd.email = subStr[3];
cd.phone = subStr[4];
}
catch (Exception e)
{
Console.Out.WriteLine(e.StackTrace);
Console.Out.WriteLine("inside search customer error ---------------------");
}
}
return(cd);
}
return(cd);
}
public itemdetail SearchCustomer(string cuName)
{
itemdetail cd = null;
SortByName();
int pos = GetPosition(cuName);
if (pos != -1)
{
using (FileStream LoginReader = new FileStream("CustomerDetails.txt", FileMode.Open))
{
cd = new itemdetail();
string line = "";
int chr;
LoginReader.Seek(pos, SeekOrigin.Begin);
while ((chr = LoginReader.ReadByte()) > 0)
{
char c;
c = Convert.ToChar(chr);
if (c == '$')
{
break;
}
line += c;
}
string[] subStr = line.Split('|');
cd.Customer_ID = int.Parse(subStr[0]);
cd.Fname = subStr[1];
cd.Lname = subStr[2];
cd.email = subStr[3];
cd.phone = subStr[4];
}
return(cd);
}
return(cd);
}