protected void btnUpdateGrades_Click(object sender, EventArgs e)
{
if (ValidatePage())
{
string gradeName = txtGradeName.Text;
string gradeDate = DateTime.ParseExact(txtGradeDate.Text, "dd/MM/yyyy", System.Globalization.CultureInfo.InvariantCulture).ToString("yyyy/MM/dd");
int grd_id = Convert.ToInt32(Request.QueryString["grd_id"]);
DataRow drTest = ch_gradesSvc.GetTest(grd_id);
int les_id = Convert.ToInt32(drTest["les_id"].ToString());
ch_grades newGrades = new ch_grades(les_id, gradeName, gradeDate);
lblErr.Text = ch_gradesSvc.UpdateGrade(grd_id, newGrades);
ch_users_gradesSvc.DeleteUsersGradesByTest(grd_id);
foreach (GridViewRow gvr in gvStudents.Rows)
{
int usr_id = Convert.ToInt32(((Label)gvr.FindControl("lbl_usr_id")).Text);
int grd_num = Convert.ToInt32(((TextBox)gvr.FindControl("txtGrade")).Text);
ch_users_grades usr_grd = new ch_users_grades(usr_id, grd_id, grd_num);
ch_users_gradesSvc.AddUsrGrade(usr_grd);
}
if (lblErr.Text == "")
{
Response.Redirect("Grades.aspx");
}
}
}
protected void btnAddGrades_Click(object sender, EventArgs e)
{
if (ValidatePage())
{
string gradeName = txtGradeName.Text;
string gradeDate = DateTime.ParseExact(txtGradeDate.Text, "dd/MM/yyyy", System.Globalization.CultureInfo.InvariantCulture).ToString("yyyy/MM/dd");
int les_id = Convert.ToInt32(ddlLessons.SelectedValue);
ch_grades newGrades = new ch_grades(les_id, gradeName, gradeDate);
lblErr.Text = ch_gradesSvc.AddGrade(newGrades);
int last_grd_id = ch_gradesSvc.GetMaxId();
foreach (GridViewRow gvr in gvStudents.Rows)
{
int usr_id = Convert.ToInt32(((Label)gvr.FindControl("lbl_usr_id")).Text);
int grd_num = Convert.ToInt32(((TextBox)gvr.FindControl("txtGrade")).Text);
ch_users_grades usr_grd = new ch_users_grades(usr_id, last_grd_id, grd_num);
ch_users_gradesSvc.AddUsrGrade(usr_grd);
}
if (lblErr.Text == "")
{
Response.Redirect("Grades.aspx");
}
}
}
/// <summary>
/// Add a grade to a user
/// </summary>
/// <param name="newUsrGrade">the user grade</param>
/// <returns>string of an error or a string.Empty if the action is completed</returns>
public static string AddUsrGrade(ch_users_grades newUsrGrade)
{
string queryIsExist = "SELECT COUNT(grd_id) FROM ch_users_grades ";
queryIsExist += "WHERE usr_id = " + newUsrGrade.usr_Id + " AND grd_id = " + newUsrGrade.grd_Id;
int num = Convert.ToInt32(Connect.MathAction(queryIsExist, "ch_users_grades"));
if (num > 0)
{
return("לתלמיד כבר יש ציון במערכת");
}
string queryInsert = "INSERT INTO ch_users_grades";
queryInsert += "(usr_id, grd_id, grd_num) ";
queryInsert += "VALUES(" + newUsrGrade.usr_Id + ", " + newUsrGrade.grd_Id + ", " + newUsrGrade.grd_Num + ")";
Connect.DoAction(queryInsert, "ch_users_grades");
return("");
}
/// <summary>
/// Delete a user grade
/// </summary>
/// <param name="usrGrade">the user grade to delete</param>
public static void DeleteUserGrade(ch_users_grades usrGrade)
{
string queryDeleteUserGrade = "DELETE * FROM ch_users_grades WHERE usr_id = " + usrGrade.usr_Id + " AND grd_id = " + usrGrade.grd_Id;
Connect.DoAction(queryDeleteUserGrade, "ch_users_grades");
}
/// <param name="usrGrade">the user grade to get</param>
/// <returns>DataRow of a user grade</returns>
public static DataRow GetUserGrade(ch_users_grades usrGrade)
{
string queryGetUserGrade = "SELECT * FROM ch_users_grades WHERE usr_id = " + usrGrade.usr_Id + " AND grd_id = " + usrGrade.grd_Id;
return(Connect.GetData(queryGetUserGrade, "ch_users_grades").Tables[0].Rows[0]);
}
