functions to make student csv file

EduNetworkBuilder/NB.cs

@@ -1101,5 +1101,17 @@ namespace EduNetworkBuilder
             MessageBox.Show(Translate("NB_NotImplimented"));
         }
 
+        public static string CSVSafeString(string source)
+        {
+            string dest = source;
+            char[] chars = { '\t', '\r', '\n', '\"', ',' };
+
+            if (dest.IndexOfAny(chars) >= 0)
+            {
+                dest = '\"' + dest.Replace("\"", "\"\"") + '\"'; //quotes around outside, replace " with ""
+            }
+            return dest;
+        }
+
     }
 }

EduNetworkBuilder/NetworkBuilder.cs

@@ -2055,5 +2055,28 @@ namespace EduNetworkBuilder
             PPF.Edit();
             UpdateMenu();
         }
+
+        private void WriteStudentCSVFile(string path)
+        {
+            try
+            {
+                using (var w = new StreamWriter(path))
+                {
+                    foreach (PersonClass pc in CurrentUser.Students)
+                    {
+                        string UName = NB.CSVSafeString(pc.UserName);
+                        string FName = NB.CSVSafeString(pc.FullName);
+                        string Pass = NB.CSVSafeString(pc.Password);
+                        var line = string.Format("{0},{1},{2}", UName, FName, Pass);
+                        w.WriteLine(line);
+                        w.Flush();
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                MessageBox.Show(e.ToString());
+            }
+        }
     }
 }

EduNetworkBuilder/PersonProfileForm.cs

@@ -549,7 +549,7 @@ namespace EduNetworkBuilder
             {
                 btnHWDelete.Visible = false; //Only the teacher can delete the homework
                 btnHWGive.Visible = false;
-                btnHWSave.Visible = false;
+                btnHWSave.Visible = false; 
             }
             if(OnStudentTree)
             {   //We cannot give or delete submitted stuff