protected void ClearButton_Click(object sender, EventArgs e)
{
((DropDownList)AddPrescriptionDetailFormView.FindControl("DrugGroupsDropdownList")).SelectedIndex = 0;
((TextBox)AddPrescriptionDetailFormView.FindControl("QuantityTextBox")).Text = "";
((TextBox)AddPrescriptionDetailFormView.FindControl("DoseTextBox")).Text = "";
((TextBox)AddPrescriptionDetailFormView.FindControl("SpecialInstructionTextBox")).Text = "";
}
protected void AddPrescriptionDetailDataSource_Inserting(object sender, LinqDataSourceInsertEventArgs e)
{
// get the new object to be inserted
var prescriptionDetail = (PrescriptionDetail)e.NewObject;
// set the prescription ID property for it
prescriptionDetail.PrescriptionID = long.Parse(Request.QueryString["PrescriptionID"]);
// set the drug ID property for it
var dl = (DropDownList)AddPrescriptionDetailFormView.FindControl("DrugsDropdownList");
prescriptionDetail.DrugID = long.Parse(dl.SelectedValue);
}