public void CascadingDropdown() { companyDropDownList.DataSource = stockOutManager.GetAllCompany(); companyDropDownList.DataTextField = "CompanyName"; companyDropDownList.DataValueField = "Id"; companyDropDownList.DataBind(); companyDropDownList.Items.Insert(0, new ListItem("Select company", "0")); itemDropDownList.Items.Insert(0, new ListItem("Select item", "0")); }
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { companyDropDownList.DataTextField = "CompanyName"; companyDropDownList.DataValueField = "CompanyID"; companyDropDownList.DataSource = stockOutManager.GetAllCompany(); companyDropDownList.DataBind(); companyDropDownList.Items.Insert(0, new ListItem("<Select Subject>", "0")); int companyId = Convert.ToInt32(companyDropDownList.SelectedValue); int itemId = Convert.ToInt32(itemDropDownList.SelectedValue); string sellQuantity = stockOutTextBox.Text; } }