dataGridView1.DataSource = testDataSet.Tables[0];
DataSet,DataGridView的相关操作
1. using System;
2. using System.Data;
3. using System.Windows.Forms;
4. using System.Data.SqlClient;
5.
6. namespace DataGrid实验2
7. {
8. public partial class Form1 : Form
9. {
10. public SqlDataAdapter da;
11. public DataSet ds;
12. public DataTable dt;
13. public Form1()
14. {
15. InitializeComponent();
16. }
17.
18. private void Form1_Load(object sender, EventArgs e)
19. {
20. Datasetsyan();
21. //dataGridView1.Rows.Add();
22.
23. }
24. public void Datasetsyan()
25. {
26. string connString = @"
27. server = localhost;
28. true;
29. database = student
30. ";
31.
32. // query
33. string sql = @"
34. select
35. studentID,
36. studentName,
37. studentSex
38. from
39. stu
40. ";
41.
42. // create connection
43. new SqlConnection(connString);
44.
45. try
46. {
47. // open connection
48. conn.Open();
49.
50. // create data adapter
51. new SqlDataAdapter(sql, conn);
52. // create dataset
53.
54. new DataSet();
55. // fill dataset
56. //, "stu"
57.
58. // get data table
59. //"stu"
60.
61. }
62. catch (Exception e)
63. { MessageBox.Show(e.ToString()); }
64. finally
65. {
66. conn.Close();
67. }
68. }
69.
70. private void button1_Click(object sender, EventArgs e)
71. {
72. //数据源绑定
73. }
74.
75. private void button2_Click(object sender, EventArgs e)
76. {
77.
78. new SqlCommandBuilder(da);
79. //更新数据库
80. da.Update(ds);
81. }
82.
83. private void button3_Click(object sender, EventArgs e)
84. {
85. // 移除当前行
86. }
87.
88. private void button4_Click(object sender, EventArgs e)
89. {
90. dataGridView1.Rows[dataGridView1.Rows.Count - 2].Cells[0].Value= textBox1.Text;
91. //添加行
92. dataGridView1.Rows[dataGridView1.Rows.Count - 2].Cells[2].Value = textBox3.Text;
93. }
94. }
95. }<pre class="csharp" name="code">实验结果：可以对DataGridView的数据进行删除，添加，并保存到数据库</pre>
