设置datagridview的数据源为（DATASET）SQL查寻结果

 

private void button5_Click(object sender, EventArgs e)

02

{

03	if (MessageBox.Show("确认删除该行吗？", "删除", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes )

04

{

05	SqlConnection conn = new SqlConnection();

06	conn.ConnectionString = "Data Source=PC2012081514KSL\\MSSQL2008;Initial Catalog=db_book;Integrated Security=True";

07	conn.Open();

08	int i = this.dataGridView1.SelectedRows.Count - 1;

09	Debug.WriteLine("AA={0}", i); //调试语句

10	for (int a = i; a >= 0; a--)

11

{

12	Debug.WriteLine("a={0}", a);//调试语句

13	string sqlstring = "delete from tb_book where book_id='"+dataGridView1 .SelectedRows [a].Cells [0].Value .ToString ()+"'";

14	SqlCommand cmd = new SqlCommand(sqlstring ,conn );

15	cmd.ExecuteNonQuery();

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}

17	conn .Close ();

18	conn .Open ();

19	string sqlstring1="select * from tb_book";

20	SqlCommand cmd1=new SqlCommand (sqlstring1 ,conn );

21	SqlDataAdapter da=new SqlDataAdapter (cmd1);

22	cmd1 .ExecuteNonQuery ();

23	DataSet ds=new DataSet ();

24	da.Fill (ds );

25	dataGridView1 .DataSource =ds .Tables [0];

26	conn .Close ();

27	MessageBox .Show ("删除成功！");

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}

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else

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{

31

return;

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}

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}