将数据插入数据库后如何刷新？

Question

I am new to c#. After inserting data into my database, i have a form which allows me to view my data where the DataGridView would display all the data. However, the table does not display the new data that is being inserted into the database.

Have researched on datagridview.refresh() but its only graphical refresh.

Following is my code: (No idea whether I'm on the right track or not)

  private void button_refresh_Click(object sender, EventArgs e)
        {
            //DataGridView1.refresh(); 
            //DataSet1.GetChanges();
            //TableAdapter.Fill(DataSet1.table);
        }

Answer 1

If you are not using data binding then the only way is to remove all the rows:

DataGridView1.Rows.Clear();

and then read and add rows again as you did initially

Answer 2

let's imagine d is the DataSource I have

d.Add(new string[] {"a", "b", "c"});
dataGridView1.DataSource = d;

Now my DataGridView has 1 row

after a while ...

d.Add(new string[] { "1", "2", "3" });
d.Add(new string[] { "4", "5", "6" });
d.Add(new string[] { "x", "y", "z" });
dataGridView1.DataSource = null;
dataGridView1.DataSource = d;
dataGridView1.Refresh();

Now my DataGridView has 4 rows.

Answer 3

this.employeesTableAdapter.Fill(this.dataSet1.Employees);

Where: Employees your table