private void StudentDisplayDetails_B_Load(object sender, EventArgs e) { string Messenge1 = null, Messenge2 = null; SqlConnection connect = new SqlConnection(Return_Connection_String_Class.Return_Connection_String()); try { connect.Open(); } catch (Exception ex) { // output the error to see what's going on MessageBox.Show(ex.Message); } if (connect.State == System.Data.ConnectionState.Open) { string command = "select * from Messege_Box where ID = '" + SD.getID().ToString() + "'"; SqlCommand cmd = new SqlCommand(command, connect); SqlDataReader dataRead; dataRead = cmd.ExecuteReader(); while (dataRead.Read()) { Messenge1 = (dataRead["S_Messege"].ToString()); Messenge2 = (dataRead["L_Messege"].ToString()); } if (Messenge1 != "" || Messenge2 != "") { if (Messenge1 != "" && Messenge2 != "") { Massange1_.Show(); Massange2_.Show(); Massange1_.Text = Messenge1; Massange2_.Text = Messenge2; } else if (Messenge1 != "") { Massange1_.Show(); Massange1_.Text = Messenge1; } else if (Messenge2 != "") { Massange1_.Show(); Massange1_.Text = Messenge2; } Clear_Massange.Show(); } else { Massange1_.Show(); } } ID_.Text = SD.getID().ToString(); FirstName_.Text = SD.getFirstName().ToString(); LastName_.Text = SD.getLasttName().ToString(); Year_.Text = SD.getYear().ToString(); Department_.Text = SD.getDepartment().ToString(); Semester_.Text = SD.getSemester().ToString(); }
private void Clear_Massange_Click(object sender, EventArgs e) { SqlConnection connect = new SqlConnection(Return_Connection_String_Class.Return_Connection_String()); try { connect.Open(); } catch (Exception ex) { // output the error to see what's going on MessageBox.Show(ex.Message); } if (connect.State == System.Data.ConnectionState.Open) { string command = "update Messege_Box set S_Messege = NULL, L_Messege = NULL where ID='" + SD.getID().ToString() + "'"; SqlCommand cmd = new SqlCommand(command, connect); cmd.ExecuteReader(); MessageBox.Show("Messange deleted"); Massange1_.Text = "no massanges"; Massange2_.Hide(); Clear_Massange.Hide(); } }