private void btnUpdate_Click(object sender, EventArgs e)
{
int ID = int.Parse(txtProductID.Text);
string Name = txtProductName.Text;
double Price = float.Parse(txtUnitPrice.Text);
int productQuantity = int.Parse(txtQuantity.Text);
Products products = new Products {
ProductID = ID,
ProductName = Name,
UnitPrice = Price,
Quantity = productQuantity
};
frmProductDetails frmProductDetails = new frmProductDetails(false, products);
DialogResult r = frmProductDetails.ShowDialog();
if (r == DialogResult.OK)
{
DataRow row = dataTableProduct.Rows.Find(products.ProductID);
row["ProductName"] = products.ProductName;
row["UnitPrice"] = products.UnitPrice;
row["Quantity"] = products.Quantity;
}
}
private void btnNew_Click(object sender, EventArgs e)
{
int ID = 1;
string name = string.Empty;
double price = 0;
int proQuantity = 0;
if (dtProduct.Rows.Count > 0)
{
ID = int.Parse(dtProduct.Compute("MAX(ProductID)", "").ToString()) + 1;
}
Product pro = new Product
{
productID = ID,
productName = Name,
unitPrice = price,
quantity = proQuantity
};
frmProductDetails ProductDetail = new frmProductDetails(true, pro);
DialogResult r = ProductDetail.ShowDialog();
if (r == DialogResult.OK)
{
pro = ProductDetail.ProductAddOrEdit;
dtProduct.Rows.Add(pro.productID, pro.productName, pro.unitPrice, pro.quantity);
}
}
private void btnEdit_Click(object sender, EventArgs e)
{
int ID = int.Parse(txtID.Text);
string name = txtName.Text;
double price = float.Parse(txtPrice.Text);
int proQuantity = int.Parse(txtQuantity.Text);
Product pro = new Product
{
productID = ID,
productName = Name,
unitPrice = price,
quantity = proQuantity
};
frmProductDetails ProductDetail = new frmProductDetails(false, pro);
DialogResult r = ProductDetail.ShowDialog();
if (r == DialogResult.OK)
{
DataRow row = dtProduct.Rows.Find(pro.productID);
row["ProductName"] = pro.productName;
row["UnitPrice"] = pro.unitPrice;
row["Quantity"] = pro.quantity;
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
int ID = 1;
if (dataTableProduct.Rows.Count > 0)
{
ID = int.Parse(dataTableProduct.Compute("MAX(BookID)", "").ToString()) + 1;
}
txtProductID.Text = ID.ToString();
string Name = txtProductName.Text;
double Price = double.Parse(txtUnitPrice.Text);
int productQuantity = int.Parse(txtQuantity.Text);
Products products = new Products
{
ProductID = ID,
ProductName = Name,
UnitPrice = Price,
Quantity = productQuantity
};
frmProductDetails frmProductDetails = new frmProductDetails(true, products);
DialogResult r = frmProductDetails.ShowDialog();
if (r == DialogResult.OK)
{
products = frmProductDetails.ProducAddOrEdit;
dataTableProduct.Rows.Add(products.ProductID, products.ProductName, products.UnitPrice, products.Quantity);
}
}