日期:2011-02-28  浏览次数:20446 次

提供一个数据服务类,调用GetDataSet就得到需要的DataSet,然后在用户界面进行修改,最后调用SaveDate就可以把未定的更改保存到数据库。
using System;
using System.Data ;
using System.Data.SqlClient ;

namespace AsterDnet.DataBind
{
    /// <summary>
    /// Summary description for GetData.
    /// </summary>
    public class TestData
    {
        private SqlDataAdapter da;    
        public TestData()
        {
            //
            // TODO: Add constructor logic here
            //
        }
        public  DataSet GetDataSet()
        {
            
            string strConn="data source=ASTERDNET;initial catalog=Test;integrated security=SSPI;persist security info=False;user id=sa;workstation id=ASTERDNET;packet size=4096";
            SqlConnection conn=new SqlConnection(strConn);
            conn.Open();
            DataSet ds=new DataSet();

            SqlParameter workParam=new  SqlParameter();
            da=new SqlDataAdapter();
            //Build the select Command
            da.SelectCommand =new SqlCommand("select * from Education ",conn);
            da.Fill(ds,"Education");
            

            // Build the insert Command
            da.InsertCommand = new SqlCommand("Insert into Education (ID, Education) VALUES (@ID, @Education)", conn);

            workParam = da.InsertCommand.Parameters.Add("@ID", SqlDbType.Int);
            workParam.SourceColumn = "ID";
            workParam.SourceVersion = DataRowVersion.Current;

            workParam = da.InsertCommand.Parameters.Add("@Education", SqlDbType.NChar, 50);
            workParam.SourceVersion = DataRowVersion.Current;
            workParam.SourceColumn = "Education";

            // Build the update command
            da.UpdateCommand = new SqlCommand("Update Education Set Education = @Education WHERE ID = @ID" , conn);

            workParam = da.UpdateCommand.Parameters.Add("@ID", SqlDbType.Int);
      &nbs