update

GradingSystemWMX/src/uis/Frame/AddStudentFrame.java → GradingSystemWMX/src/Abandon/AddStudentFrame.java

@@ -1,4 +1,4 @@
-package uis.Frame;
+package Abandon;
 
 import java.util.Vector;
 

GradingSystemWMX/src/daos/CourseDao.java

@@ -94,5 +94,32 @@ protected void finalize() throws Throwable {
         System.out.println(this.getClass().toString() + "destroyed.");
     }
 
+	public Boolean addClass(String newID, Float newCredit, String newName, String newTerm, String newYear) {
+		sql = "insert into course (classid, classname, classyear, classterm, classcredit) values (?,?,?,?,?)";
+		params = new ArrayList<>();
+		params.add(newID);
+		params.add(newName);
+		params.add(newYear);
+		params.add(newTerm);
+		params.add(newCredit);
+
+		try {
+			return dBconnection.updateByPreparedStatement(sql, params);
+		}catch(Exception e) {
+			e.printStackTrace();
+		}
+		return false;
+	}
+
+//	public List<Course> getClassList() {
+//		sql = "select * from course";
+//		List<Course> cl = new ArrayList<>();
+//		try {
+//			cl = dBconnection.findSimpleRefResult(sql, params, cls)
+//		}
+//		// TODO Auto-generated method stub
+//		return null;
+//	}
+
 
 }

GradingSystemWMX/src/daos/GradesDao.java

@@ -84,7 +84,7 @@ public boolean updateTable(int studentID, int classUniqueID, int assignID) {
 
 	}
 
-	public boolean updateGrade(Float grade, int studentID, int classID, int assignID) {
+	public boolean updateGrade(Double grade, int studentID, int classID, int assignID) {
 		sql = "update grades set grade=? where studentID=? and classID=? and assignID=?";
 		params = new ArrayList<>();
 

GradingSystemWMX/src/uis/Frame/DelFrame.java

@@ -22,7 +22,8 @@ public class DelFrame extends JFrame{
 	private Assignment assignDel = new Assignment();
 	private int uniqueID;
 	private String[] names;
-	ArrayList<String> del = new ArrayList<>();
+	private String del;
+	//ArrayList<String> del = new ArrayList<>();
 	public DelFrame(int uniqueID, String[] names) {
 		setSize(300, 300);
 		getContentPane().setLayout(new BorderLayout(0, 0));
@@ -48,7 +49,8 @@ public void valueChanged(ListSelectionEvent e) {
                 ListModel<String> listModel = list.getModel();
 //                setDelItems(listModel);
                 for (int index : indices) {
-                	del.add(listModel.getElementAt(index));
+                	del = listModel.getElementAt(index);
+                	setDel(del);
                 }
             }
         });
@@ -62,9 +64,9 @@ public void valueChanged(ListSelectionEvent e) {
 		 delbtn.addActionListener(new ActionListener() {
 		 	public void actionPerformed(ActionEvent e) {
 		 		boolean flag = false;
-		 		for(String name : del) {
-		 			 flag = assignDao.delAssign(uniqueID, name);
-		 		}
+
+		 		flag = assignDao.delAssign(uniqueID, del);
+
 		 		if(!flag) {
 					JOptionPane.showMessageDialog(null, "Update failed!", "Error", JOptionPane.ERROR_MESSAGE);
 				}else {
@@ -85,4 +87,8 @@ public void actionPerformed(ActionEvent e) {
 		 buttonGroup.add(cancelbtn);
 
 	}
+	protected void setDel(String del2) {
+		// TODO Auto-generated method stub
+		this.del = del2;
+	}
 }