private void btn_prev_Click(object sender, RoutedEventArgs e)
{
int no = int.Parse(inp_noofrows.Text);
int from = curr - (no + no);
int to = curr - no;
if (from > 0)
{
JoinCol.Clear();
int i = 0;
for (i = from; i < to; i++)
{
JoinCol.Add(JoinCol2[i]);
}
curr = i;
}
else
{
if (to > 0)
{
JoinCol.Clear();
int i = 0;
for (i = 0; i < to; i++)
{
JoinCol.Add(JoinCol2[i]);
}
curr = i;
}
}
}
private void btn_next_Click(object sender, RoutedEventArgs e)
{
int from = curr;
int to = curr + no;
if (to < JoinCol2.Count)
{
JoinCol.Clear();
int i = 0;
for (i = from; i < to; i++)
{
JoinCol.Add(JoinCol2[i]);
}
curr = i;
}
else
{
if (from < JoinCol2.Count)
{
JoinCol.Clear();
int i = 0;
for (i = from; i < JoinCol2.Count; i++)
{
JoinCol.Add(JoinCol2[i]);
}
curr = i;
}
}
}
public void display2()
{
command.Parameters.Clear();
command.CommandText = "SELECT Employees.EMPNO, Employees.ENAME, Employees.SALARY,Employees.ROLE, Employees.DEPTID,Departments.DEPTNAME FROM Employees INNER JOIN Departments ON Employees.DEPTID = Departments.DEPTID";
if (connection.State == ConnectionState.Closed)
{
connection.Open();
}
OracleDataReader dataReader = command.ExecuteReader(CommandBehavior.CloseConnection);
DataTable dataTable = new DataTable();
dataTable.Load(dataReader);
JoinCol.Clear();
JoinCol.Clear();
foreach (DataRow dataTableRow in dataTable.Rows)
{
//Emp e = new Emp
//{
// EName = dataTableRow.ItemArray[1].ToString(),
// Eno = int.Parse(dataTableRow.ItemArray[0].ToString()),
// Esalary = float.Parse(dataTableRow.ItemArray[2].ToString())
//};
//collection.Add(e);
JoinCol.Add(new Join()
{
Eno = int.Parse(dataTableRow.ItemArray[0].ToString()),
EName = dataTableRow.ItemArray[1].ToString(),
Esalary = int.Parse(dataTableRow.ItemArray[2].ToString()),
Role = dataTableRow.ItemArray[3].ToString(),
DeptId = int.Parse(dataTableRow.ItemArray[4].ToString()),
DeptName = dataTableRow.ItemArray[5].ToString()
});
}
JoinCol2 = new ObservableCollection <Join>(JoinCol);
for (int i = 0; i < 100000; i++)
{
JoinCol.Add(new Join()
{
Eno = 1,
EName = "Name" + i,
Esalary = 10,
Role = "dev",
DeptId = 1,
DeptName = "dname" + i
});
}
dg2.DataContext = null;
dg2.DataContext = JoinCol;
flag = 0;
}
private void btn_start_Click(object sender, RoutedEventArgs e)
{
JoinCol.Clear();
int no = int.Parse(inp_noofrows.Text);
int i = 0;
for (i = 0; i < no; i++)
{
JoinCol.Add(JoinCol2[i]);
}
curr = i;
}
private void btn_last_Click(object sender, RoutedEventArgs e)
{
JoinCol.Clear();
int no = int.Parse(inp_noofrows.Text);
int i = 0;
for (i = JoinCol2.Count - no; i < JoinCol2.Count; i++)
{
JoinCol.Add(JoinCol2[i]);
}
curr = JoinCol2.Count;
}
private void TextBox_OnLostFocus2(object sender, RoutedEventArgs e)
{
JoinCol.Clear();
TextBox tb = sender as TextBox;
var colname = tb.DataContext.ToString();
int flag2 = 0;
if (colname.ToLower() == "ename")
{
ena = tb.Text;
}
else if (colname.ToLower() == "esalary")
{
esa = tb.Text;
}
else if (colname.ToLower() == "role")
{
ro = tb.Text;
}
else if (colname.ToLower() == "eno")
{
eno = tb.Text;
}
else if (colname.ToLower() == "deptname")
{
dn = tb.Text;
}
else if (colname.ToLower() == "deptid")
{
di = tb.Text;
}
foreach (var j in JoinCol2)
{
JoinCol.Add(j);
}
if (ena != "")
{
for (int i = 0; i < JoinCol2.Count; i++)
{
if (!JoinCol2[i].EName.StartsWith(ena))
{
if (JoinCol.Contains(JoinCol2[i]))
{
JoinCol.Remove(JoinCol2[i]);
}
}
}
flag2 = 1;
}
if (esa != "")
{
for (int i = 0; i < JoinCol2.Count; i++)
{
if (JoinCol2[i].Esalary.ToString().ToLower() != esa.ToLower())
{
if (JoinCol.Contains(JoinCol2[i]))
{
JoinCol.Remove(JoinCol2[i]);
}
}
}
flag2 = 1;
}
if (ro != "")
{
for (int i = 0; i < JoinCol2.Count; i++)
{
if (!JoinCol2[i].Role.ToLower().StartsWith(ro))
{
if (JoinCol.Contains(JoinCol2[i]))
{
JoinCol.Remove(JoinCol2[i]);
}
}
}
flag2 = 1;
}
if (eno != "")
{
for (int i = 0; i < JoinCol2.Count; i++)
{
if (JoinCol2[i].Eno.ToString().ToLower() != eno.ToLower())
{
if (JoinCol.Contains(JoinCol2[i]))
{
JoinCol.Remove(JoinCol2[i]);
}
}
}
flag2 = 1;
}
if (di != "")
{
for (int i = 0; i < JoinCol2.Count; i++)
{
if (JoinCol2[i].DeptId.ToString().ToLower() != di.ToLower())
{
if (JoinCol.Contains(JoinCol2[i]))
{
JoinCol.Remove(JoinCol2[i]);
}
}
}
flag2 = 1;
}
if (dn != "")
{
for (int i = 0; i < JoinCol.Count; i++)
{
if (!JoinCol2[i].DeptName.ToLower().StartsWith(dn.ToLower()))
{
if (JoinCol.Contains(JoinCol2[i]))
{
JoinCol.Remove(JoinCol2[i]);
}
}
}
flag2 = 1;
}
if (flag2 == 0)
{
JoinCol.Clear();
for (int i = 0; i < JoinCol2.Count; i++)
{
JoinCol.Add(JoinCol2[i]);
}
}
}
