平邑县建设局网站,vs2015网站开发实例,手册设计网站,吉林网络seo绑定后,原list值变动,显示内容会刷新
绑定后,list新添加的值时不会显示到界面,需要重新绑定list
微软的Bug
参考代码 public class Student{public string Name { get; set; }}ListStudent list new ListStudent();private void Form2_Load(object sender,…绑定后,原list值变动,显示内容会刷新
绑定后,list新添加的值时不会显示到界面,需要重新绑定list
微软的Bug
参考代码 public class Student{public string Name { get; set; }}ListStudent list new ListStudent();private void Form2_Load(object sender, EventArgs e){list.Add(new Student() { Name 张三 });list.Add(new Student() { Name 李四 });this.dataGridView1.DataSource new BindingListStudent(list);}private void button1_Click(object sender, EventArgs e){//注意 新添加的数据是无法展示到dgv里面的!!!list.Add(new Student() { Name 王五 });list.Add(new Student() { Name 赵六 });dataGridView1.Refresh();}private void button2_Click(object sender, EventArgs e){//元素删除list.RemoveAt(0);dataGridView1.Refresh();}private void button3_Click(object sender, EventArgs e){//元素修改list[0].NameDateTime.Now.ToString();dataGridView1.Refresh();}private void button4_Click(object sender, EventArgs e){//重新绑定if (list.Count!dataGridView1.Rows.Count){this.dataGridView1.DataSourcenull;this.dataGridView1.DataSource new BindingListStudent(list);}
else{dataGridView1.Refresh();}}
