protected void btnReceipts_Click(object sender, EventArgs e)
{
string PatientID = ASPxGridView.GetDetailRowKeyValue(sender as Control).ToString();
ASPxGridView gvPatient = ASPxGridView.FindParentGridTemplateContainer(sender as Control).Grid;
string DoctorID = gvPatient.GetMasterRowKeyValue().ToString();
string ClinicID = ASPxGridView.FindParentGridTemplateContainer(gvPatient).Grid.GetMasterRowKeyValue().ToString();
dsReceipts.SelectParameters["PatientID"].DefaultValue = PatientID;
dsReceipts.SelectParameters["DoctorID"].DefaultValue = DoctorID;
dsReceipts.SelectParameters["ClinicID"].DefaultValue = ClinicID;
popupReceipts.AllowDragging = true;
popupReceipts.AllowResize = true;
popupReceipts.ResizingMode = DevExpress.Web.ASPxClasses.ResizingMode.Live;
popupReceipts.ShowOnPageLoad = true;
}
