//Method used when the page is intially called and loaded
private void Binding()
{
//Sets the datasource of the webpage's Gridview to the TableBase object's returned DataView
PurchaseOrderLinesGridView.DataSource = Base.BindGrid();
//Calls for the page to be updated and a postback
PurchaseOrderLinesGridView.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
HttpCookie cookie = Request.Cookies["userInfo"];
if (Request.Cookies["userInfo"] == null)
{
Response.Redirect("login.aspx");
}
else
{
nameLabel.Text = Request.Cookies["userInfo"]["firstName"];
if (Request.Cookies["userInfo"]["admin"] == "True") //Checks to see if the user is an admin or not and enables related department and employee items to be shown
{
addEmployeeModal.Visible = true;
addDepartmentModal.Visible = true;
departmentnav.Visible = true;
employeenav.Visible = true;
blockopenemployees.Visible = true;
opendepartmodal.Visible = true;
openemployeemodal.Visible = true;
}
cookie.Expires = DateTime.Now.AddMinutes(10);
Response.Cookies.Set(cookie);
}
if (!Page.IsPostBack)
{
DropDownPop();
//Creates default TableBase object based on target view/table and Default sorting column
Base = new TableBase("RecentPurchaseOrders", "DateOrdered");
//Binds the default data to ViewState in order to keep throughout postbacks
ViewState["Table"] = Base;
//Initial binding and loading of data onto table
this.Binding();
//Creates default TableBase object based on target view/table and Default sorting column
BaseItem = new TableBase("AddItem", "SKU");
//Binds the default data to ViewState in order to keep throughout postbacks
ViewState["ItemTable"] = BaseItem;
//New Mepty datatable is created to store data of temporary purchase order
dt = new DataTable();
//Columns are added to new datatable with appropriate names
dt.Columns.AddRange(new DataColumn[5] {
new DataColumn("SKU", typeof(string)), new DataColumn("ItemName", typeof(string)), new DataColumn("SupplierID", typeof(string)), new DataColumn("Quantity", typeof(int)), new DataColumn("Price", typeof(decimal))
});
ViewState["ordertable"] = dt;
//Initial binding and loading of data onto table
GridViewItem.DataSource = BaseItem.BindGrid();
GridViewItem.DataBind();
OrderBinding();
ModalIDPop();
}
else //All consecutive refreshes/postbacks will update the ViewState key with new recurring data.
{
Base = (TableBase)ViewState["Table"];
BaseItem = (TableBase)ViewState["ItemTable"];
//BaseOrder = (TableBase)ViewState["OrderTable"];
dt = ViewState["ordertable"] as DataTable;
OrderBinding();
if (GridViewItem.SelectedRow != null) //Checks to see if there are any selected rows during a postback
{
AddItemButton.Enabled = true;
}
else
{
AddItemButton.Enabled = false;
}
}
TotalPrice();
}
