void RefreshGrid(string examPlaceID = "-2", string examDate = "-1", string examTime = "-1")
{
if (string.IsNullOrEmpty(ddl_Cities.SelectedValue) || ddl_Cities.SelectedValue?.ToString() == "-2")
{
ddl_ExamDate.SelectedValue = "-1";
ddl_Saat.SelectedValue = "-1";
RadG_QuestionList4Download.DataSource = new DataTable();
RadG_QuestionList4Download.DataBind();
}
else
{
DataTable dt = new DataTable();
var dateexam = (string.IsNullOrEmpty(ddl_ExamDate.SelectedValue) || ddl_ExamDate.SelectedValue == "-1") ? "-1" : ddl_ExamDate.SelectedValue;
var saatexam = (string.IsNullOrEmpty(ddl_Saat.SelectedValue) || ddl_Saat.SelectedValue == "-1") ? "-1" : ddl_Saat.SelectedValue;
dt = EBusiness.DLExamQuestionsPermissionByParams(int.Parse(examPlaceID), examDate, examTime);
RadG_QuestionList4Download.DataSource = dt;
RadG_QuestionList4Download.DataBind();
}
}
