private void Service_ServiceBookDetailsApproval_GetAll() { Business.Service.ServiceBook objServiceBook = new Business.Service.ServiceBook(); Entity.Service.ServiceBook serviceBook = new Entity.Service.ServiceBook() { MachineId = txtMachineId.Text.Trim(), FromDate = (!string.IsNullOrEmpty(txtLogFromDate.Text.Trim()) ? Convert.ToDateTime(txtLogFromDate.Text.Trim()) : DateTime.MinValue), ToDate = (!string.IsNullOrEmpty(txtLogToDate.Text.Trim()) ? Convert.ToDateTime(txtLogToDate.Text.Trim()) : DateTime.MinValue), ApprovalStatus = Convert.ToInt32(ddlApprovalStatus.SelectedValue), CallType = (int)CallType.Toner }; DataTable dt = objServiceBook.Service_ServiceBookDetailsApproval_GetAll(serviceBook); gvApproval.DataSource = dt; gvApproval.DataBind(); }