C#课程设计(考试系统).rar

private void button1_Click_1(object sender, EventArgs e) { SqlConnection conn = new SqlConnection(Properties.Settings.Default.考试系统ConnectionString); adapter = new SqlDataAdapter("select * from 学生表", conn); // SqlCommandBuilder builder = new SqlCommandBuilder(adapter ); // adapter.InsertCommand = builder.GetInsertCommand(); // adapter.DeleteCommand = builder.GetDeleteCommand(); // adapter.UpdateCommand = builder.GetUpdateCommand(); table = new DataTable(); adapter.Fill(table); this.学生表DataGridView.DataSource = table; DataRow newrow = table.NewRow(); newrow["姓名"] = textBox1.Text; newrow["学号"] = textBox2.Text; table.Rows.Add(newrow);