protected void btnSaveClient_Click(object sender, EventArgs e)
{
List<IMAvailableStudent> availablelist = (List<IMAvailableStudent>)ViewState["availableStudents"];
List<IMAvailableStudent> selectedlist = (List<IMAvailableStudent>)ViewState["selectedStudents"];
IMAssignment obj = new IMAssignment();
obj.SaveStudentForIM(SessionObject.LoggedInUser.Page, _imNodeList[0].NodeId, GetStudentAssignmentandDueDate(selectedlist));
ViewState["isSaved"] = true;
ViewState["selectedStudents"] = null;
ViewState["availableStudents"] = null;
RefreshDataBindingForGroupingGrids();
isCompleted.Value = "";
ScriptManager.RegisterStartupScript(this, typeof(string), "assignmentSaved", "confirmCallbackCloseClient(); ", true);
isCompleted.Value = "";
}
