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;
}
}