SqlCommandBuilder的运用

 

SqlCommandBuilder的运用

 

namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string strUrl = "data source=syy;initial catalog=hterp;user id=sa;";
        string strSql = "select * from ht_test";
        DataSet ds = new DataSet();
        private void Form1_Load(object sender, EventArgs e)
        {
            SqlConnection conn = new SqlConnection(strUrl);
            SqlDataAdapter da = new SqlDataAdapter(strSql, conn);
            da.Fill(ds);
            dataGridView1.DataSource = ds.Tables[0];
        }

        private void button1_Click(object sender, EventArgs e)
        {
            SqlConnection conn = new SqlConnection(strUrl);
            SqlDataAdapter da = new SqlDataAdapter(strSql, conn);
            SqlCommandBuilder sqlBuilder = new SqlCommandBuilder(da);
            da.Fill(ds);
            da.Update(ds.Tables[0].GetChanges());
            ds.Tables[0].AcceptChanges();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            SqlConnection conn = new SqlConnection(strUrl);
            DataSet ds = new DataSet();
            SqlDataAdapter da = new SqlDataAdapter(strSql, conn);
            da.Fill(ds);
            dataGridView1.DataSource = ds.Tables[0];
        }
    }
}