//java版class A{ public static int i =10; public void show() { System.out.printf("%d\n",this.i); }}class B extends A{public void show(){//super.show();System.out.prin...【阅读全文】
C#遍历ComboBox的内容:一:for (int i = 0; i < comboBox1.Items.Count; i++){ MessageBox.Show(comboBox1.GetItemText(comboBox1.Items[i]));}二:foreach (System.Data.DataRowView dr in comboBox1.Items){ string id = dr["student_id"].ToString(); string nane = dr["student_name"].ToStrin...【阅读全文】