private string sumExtension()
{
ValidationBill validate = new ValidationBill();
string sumextension = "";
if (validate.Requiredcbo(txtpos) == false)
{
sumextension += "\n Pos wrong";
}
if (validate.Required(txtinmoney) == false)
{
sumextension += "\n Pay money not null";
}
if (validate.Required(txtinmoney) == true)
{
if (validate.Compared(float.Parse(txtamount.Text), float.Parse(txtinmoney.Text)) == false)
{
sumextension = "\n Pay money not lower than total money";
}
}
if (validate.Requiredcbo(cboaccount) == false)
{
sumextension += "\n User not null";
}
if (validate.RangeDatagridview(lstbilldetail) == false)
{
sumextension += "\n Bill must have product";
}
return(sumextension);
}
private void lstbilldetail_DoubleClick(object sender, EventArgs e)
{
bool delete = db.Authorities.Single(x => x.AccountID == getAccount && x.NameOfAuthority == "Manage Invoice").Delete;
if (delete == true)
{
ValidationBill vali = new ValidationBill();
if (lstbilldetail.SelectedRows.Count == 1 && lstbilldetail.SelectedRows[0].Cells["ProductID"].Value != null)
{
DialogResult rs = MessageBox.Show("Do you want to delete this?", "Delete Row", MessageBoxButtons.YesNo);
if (rs == DialogResult.Yes)
{
lstbilldetail.Rows.Remove(this.lstbilldetail.SelectedRows[0]);
}
int soluong = 0;
float amount = 0;
try
{
for (int i = 0; i < lstbilldetail.RowCount; i++)
{
soluong += (int)lstbilldetail.Rows[i].Cells["Quantity"].Value;
amount += (float)lstbilldetail.Rows[i].Cells["Total"].Value;
}
}
catch
{
}
txtsl.Text = soluong.ToString();
txtamount.Text = amount.ToString();
numsoluong.Visible = false;
try
{
float outp = float.Parse(txtinmoney.Text) - float.Parse(txtamount.Text);
if (outp < 0)
{
txtoutmoney.Text = "0";
}
else
{
txtoutmoney.Text = outp.ToString();
}
}
catch
{
txtoutmoney.Text = "0";
}
}
}
else
{
MessageBox.Show("Your account do not have the authority to delete Invoice!");
}
}
private void txtinmoney_TextChanged(object sender, EventArgs e)
{
ValidationBill validate = new ValidationBill();
if (validate.CheckNumTextbox(txtinmoney) == true)
{
if (validate.RangeDatagridview(lstbilldetail) == true)
{
try
{
float outp = float.Parse(txtinmoney.Text) - float.Parse(txtamount.Text);
if (outp < 0)
{
txtoutmoney.Text = "0";
}
else
{
txtoutmoney.Text = outp.ToString();
}
}
catch
{
txtoutmoney.Text = "0";
}
}
else
{
txtoutmoney.Text = txtinmoney.Text;
}
}
else
{
if (txtinmoney.Text == "" && txtamount.Text == "0")
{
}
else
{
MessageBox.Show("Must input number in this field");
}
}
}