Application.Run(new FrmEmp());
}
private void FrmEmp_Load(object sender, System.EventArgs e)
{
}
private void BtnExit_Click(object sender, System.EventArgs e)
{
Conn.Close();
this.Close();
}
private void BtnAddNew_Click(object sender, System.EventArgs e)
{
TxtEmpNo.Text = "";
TxtEName.Text = "";
TxtESal.Text = "";
TxtDeptNo.Text = "";
TxtEmpNo.Focus();
}
private void BtnSave_Click(object sender, System.EventArgs e)
{
try
{
if (blnEdit == false)
{
DataRow1 = DataSet1.Tables["Emp"].NewRow();
DataRow1["EmpNo"] = Int16.Parse(TxtEmpNo.Text);
DataRow1["EName"] = TxtEName.Text;
DataRow1["Sal"] = Double.Parse(TxtESal.Text);
DataRow1["DeptNo"] = Int32.Parse(TxtDeptNo.Text);
DataSet1.Tables["Emp"].Rows.Add(DataRow1);
DataAdpt.Update(DataSet1,"Emp");
MessageBox.Show("record saved!");
}
else
{
string Str1;
Str1 = "Update Emp set EName='" + TxtEName.Text + "',Sal=" + double.Parse(TxtESal.Text) + ",";
Str1 = Str1 + "DeptNo=" + Int16.Parse(TxtDeptNo.Text) + " Where EmpNo=" + Int16.Parse(TxtEmpNo.Text);
Comm = new OleDbCommand(Str1,
Comm.ExecuteNonQuery();
/*drEdit.BeginEdit();
drEdit["EName"] = TxtEName.Text;
drEdit["Sal"] = double.Parse(TxtESal.Text);
drEdit["DeptNo"] = Int16.Parse(TxtDeptNo.Text);
drEdit.EndEdit();
DataAdpt.Update(DataSet1,"Emp");*/
MessageBox.Show("Record Modified!");
}
}
catch(Exception e1)
{
MessageBox.Show(e1.ToString());
}
}
private void BtnEdit_Click(object sender, System.EventArgs e)
{
string Str1;
try
{
Str1 = "Select * from Emp Where EmpNo=" + Int16.Parse(TxtEmpNo.Text);
Comm = new OleDbCommand(Str1,
DtRead = Comm.ExecuteReader();
if (DtRead.Read())
{
blnEdit = true;
//drEdit = DataSet1.Tables["Emp"].Rows.Find(Int16.Parse(TxtEmpNo.Text));
TxtEName.Text = DtRead["EName"].ToString();
TxtESal.Text = DtRead["Sal"].ToString();
TxtDeptNo.Text = DtRead["DeptNo"].ToString();
TxtEName.Focus();
}
else
{
TxtEName.Text = "";
TxtESal.Text = "";
TxtDeptNo.Text = "";
MessageBox.Show("Record Not found!");
TxtEmpNo.Focus();
}
DtRead.Close();
}
catch(Exception e1)
{
MessageBox.Show(e1.ToString());
}
}
private void BtnDelete_Click(object sender, System.EventArgs e)
{
try
{
object Str1;
string Str2;
Str1 = MessageBox.Show("Do you want to delete the record","Delete Box", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Warning);
//==DialogResult.Yes)
if (Str1.ToString() == "Yes")
{
Str2 = "Delete from Emp Where EmpNo=" + Int16.Parse(TxtEmpNo.Text);
Comm = new OleDbCommand(Str2,
Comm.ExecuteNonQuery();
MessageBox.Show("Record has been deleted!");
TxtEmpNo.Text = "";
TxtEName.Text = "";
TxtESal.Text = "";
TxtDeptNo.Text = "";
TxtEmpNo.Focus();
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
本文地址：http://com.8s8s.com/it/it46241.htm