private void btnUpdateIM_Click(object sender, EventArgs e)
{
this.Hide();
//AdminFunc admin = new AdminFunc();
//admin.Hide();
InventoryUp frm2 = new InventoryUp();
frm2.ShowDialog();
//opens the inventory update form, also hides this form to prevent corruptions of the text file
//just in case the user updates data from this form and also on the inventory update form
}
private void btnupdateIU_Click(object sender, EventArgs e)
{
string commaspacecheck = ", ";
int quantityparse;
double priceparse;
double discountparse;
if (cmbIU.SelectedIndex == -1) //checks if the current index is at -1, if it is an error message shows, the program also has multiple safety measures in place
{ //regarding inputing an item without an item code
MessageBox.Show("Please enter a correct code");
}
else
{
if (Convert.ToString(txtNameIU.Text).Contains(commaspacecheck))
{
MessageBox.Show("Please check the syntax of the Item name.");
}
else if (Convert.ToString(txtclrIU.Text).Contains(commaspacecheck))
{
MessageBox.Show("Please check the syntax of the Color of the product");
}
else if (!int.TryParse(txtQtyIU.Text, out quantityparse))
{
MessageBox.Show("Please check if quantity is a numeric value without decimal points.");
}
else if (!double.TryParse(txtprcIU.Text, out priceparse))
{
MessageBox.Show("Please check if Price set is a numeric value");
}
else if (!double.TryParse(txtdiscIU.Text, out discountparse) || discountparse > 100)
{
MessageBox.Show("Please check if Discount set is a numeric value");
}
else
{
string olddetail = Convert.ToString(lblNameIU.Text) + ", " + Convert.ToString(lblcodeIU.Text) + ", " + Convert.ToString(lblqtyIU.Text)
+ ", " + Convert.ToString(lblcolIU.Text) + ", " + Convert.ToString(lblprcIU.Text) + ", " + Convert.ToString(lbldiscIU.Text);
string newdetail = Convert.ToString(txtNameIU.Text) + ", " + Convert.ToString(lblcodeIU.Text) + ", " + Convert.ToString(txtQtyIU.Text)
+ ", " + Convert.ToString(txtclrIU.Text) + ", " + Convert.ToString(txtprcIU.Text) + ", " + Convert.ToString(txtdiscIU.Text);
StreamReader sr = new StreamReader(@".\InventoryList.txt");
string itemdetail = sr.ReadToEnd();
sr.Close();
itemdetail = Regex.Replace(itemdetail, olddetail, newdetail); //regex updates the text file, the best part about it; if it doesn't find the old item
//to be updated, it does not commit the updtate preventing hassles regarding fixing the text file.
StreamWriter sw = new StreamWriter(@".\InventoryList.txt");
sw.Write(itemdetail);
sw.Close();
string updatemessage = "Item " + Convert.ToString(lblcodeIU.Text) + " has been updated";
MessageBox.Show(updatemessage);
//AdminFunc admin = new AdminFunc();
//admin.Close();
InventoryUp up = new InventoryUp();
this.Hide();
up.Show();
}
}
}
