小弟菜,我有几个问题,各位大哥帮忙。 http://community.csdn.net/Expert/topic/3549/3549619.xml?temp=.5899317 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 OleDbDataAdapter da=null ; DataSet ds=null; private const string source=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=新建 Microsoft Office Access 应用程序.mdb"; private const string ssql=@"select * from biao"; private void Form1_Load(object sender, System.EventArgs e) { OleDbConnection conn =new OleDbConnection(source); conn.Open(); da =new OleDbDataAdapter(ssql,conn); OleDbCommandBuilder db =new OleDbCommandBuilder(da); ds =new DataSet(); da.Fill(ds,"biao"); this.dataGrid1.SetDataBinding(ds,"biao"); } private void button3_Click(object sender, System.EventArgs e) { da.Update(ds,"biao.Q"); } 同意楼上,da.Update前不要写da.Fill每次用完要记着关闭连接。 OleDbDataAdapter da=null ; DataSet ds=null; private const string source=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=新建 Microsoft Office Access 应用程序.mdb"; private const string ssql=@"select * from biao"; private void Form1_Load(object sender, System.EventArgs e) { OleDbConnection conn =new OleDbConnection(source); conn.Open(); da =new OleDbDataAdapter(ssql,conn); OleDbCommandBuilder db =new OleDbCommandBuilder(da); ds =new DataSet(); da.Fill(ds,"biao"); this.dataGrid1.SetDataBinding(ds,"biao"); } private void button3_Click(object sender, System.EventArgs e) { da.Update(ds,"biao.Q"); } 模态对话框也可以失去焦点? WINCE WebBrowser控件 取超链接内容 为什么httpWebRequest post后还是原来的页面,提交不过去 问句话 ~顺便请大家推荐我本书 从一个程序操作另一个程序的按钮 这样的语句应怎么样转? 急,高分请教如何用C#更改DCOM配置中EXCEL的安全权限? 大哥们.web安装项目时能不能同时注册组件? vs 2010 旗舰版com中没有microsoft word object library 我想在两个计算机之间不停的传递图片,一个发送,一个接受,请问如何实现? 水水那个购物车有一个问题不明白 winForm中怎么调用静态的web页面?
DataSet ds=null;
private const string source=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=新建 Microsoft Office Access 应用程序.mdb";
private const string ssql=@"select * from biao";
private void Form1_Load(object sender, System.EventArgs e)
{
OleDbConnection conn =new OleDbConnection(source);
conn.Open();
da =new OleDbDataAdapter(ssql,conn);
OleDbCommandBuilder db =new OleDbCommandBuilder(da);
ds =new DataSet();
da.Fill(ds,"biao");
this.dataGrid1.SetDataBinding(ds,"biao");
}
private void button3_Click(object sender, System.EventArgs e)
{
da.Update(ds,"biao.Q");
}
每次用完要记着关闭连接。
DataSet ds=null;
private const string source=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=新建 Microsoft Office Access 应用程序.mdb";
private const string ssql=@"select * from biao";
private void Form1_Load(object sender, System.EventArgs e)
{
OleDbConnection conn =new OleDbConnection(source);
conn.Open();
da =new OleDbDataAdapter(ssql,conn);
OleDbCommandBuilder db =new OleDbCommandBuilder(da);
ds =new DataSet();
da.Fill(ds,"biao");
this.dataGrid1.SetDataBinding(ds,"biao");
}
private void button3_Click(object sender, System.EventArgs e)
{
da.Update(ds,"biao.Q");
}