private void MRPTextBox_Leave(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(MRPTextBox.Text))
{
MRPErrorLabel.ResetText();
}
}
private bool IsValid()
{
if (String.IsNullOrEmpty(invoiceNoTextBox.Text))
{
invoiceNoErrorLabel.Text = "Please Enter Invoice/Bill No";
return(false);
}
else
{
invoiceNoErrorLabel.ResetText();
}
if (Convert.ToInt32(supplierComboBox.SelectedValue) == 0)
{
supplierErrorLabel.Text = "Please Select Supplier";
return(false);
}
else
{
supplierErrorLabel.ResetText();
}
if (Convert.ToInt32(categoryComboBox.SelectedValue) == 0)
{
categoryErrorLabel.Text = "Please Select Category";
return(false);
}
else
{
supplierErrorLabel.ResetText();
}
if (Convert.ToInt32(productComboBox.SelectedValue) == 0)
{
productErrorLabel.Text = "Please Select Product";
return(false);
}
else
{
productErrorLabel.ResetText();
}
if (String.IsNullOrEmpty(quantityTextBox.Text))
{
quantityErrorLabel.Text = "Please Enter Quantity";
return(false);
}
else
{
quantityErrorLabel.ResetText();
}
if (String.IsNullOrEmpty(unitPriceTextBox.Text))
{
unitPriceErrorLabel.Text = "Please Enter Unit Price";
return(false);
}
else
{
unitPriceErrorLabel.ResetText();
}
if (String.IsNullOrEmpty(MRPTextBox.Text))
{
MRPErrorLabel.Text = "Please Enter M.R.P (Tk.)";
return(false);
}
else
{
MRPErrorLabel.ResetText();
}
return(true);
}
