//鼠标移动改变行的颜色,自动编号
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        //其实就是给GridView加上鼠标划过的JS
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            //当鼠标停留时更改背景色
            e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#EBFBBA'");
            //当鼠标移开时还原背景色
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");

            //单击/双击 事件 

            e.Row.Attributes["ondblclick"] = String.Format("javascript:dbl_click=true;window.open('check_xx.aspx?id={0}','mainFrame');", GridView1.DataKeys[e.Row.RowIndex].Value.ToString());
            e.Row.Attributes["title"] = "双击打开详细页面";
            
            e.Row.Attributes.Add("onclick", "clickevent(this.Panel1.Visible=true)");
            
            
            //自动编号
            if (e.Row.RowIndex != -1)
            {
                int idb = e.Row.RowIndex + 1;
                e.Row.Cells[0].Text = idb.ToString();
            }
            //判断事由事项字符大于15个字后用...替代
            if ((e.Row.Cells[3].Text).Length > 10)
            {
                e.Row.Cells[3].Text = (e.Row.Cells[3].Text).Substring(0, 10) + "…";
            }
            if ((e.Row.Cells[4].Text).Length > 10)
            {
                e.Row.Cells[4].Text = (e.Row.Cells[4].Text).Substring(0, 10) + "…";
            }
            
        }


    }

protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
    {
        this.Label2.Text = this.GridView1.SelectedValue.ToString();
        this.Panel1.Visible = true;
        
        //string number=this.GridView1.Rows[1].Cells.ToString();
        
        //this.Label3.Text = this.GridView1.Rows[1].Cells.ToString();
        
        //接收订单号
        string sql = "select * from A where id=" + this.Label2.Text;
        sms_conn.Open();
        SqlDataAdapter da = new SqlDataAdapter(sql, sms_conn);
        DataSet ds = new DataSet();
        da.Fill(ds, "A");
        DataRowView rowview = ds.Tables["A"].DefaultView[0];
        this.Label3.Text = rowview["number"].ToString();
        
        string Sql2 = "select * from checksh where num="+ "'"+this.Label3.Text+"'";
        SqlDataAdapter da2 = new SqlDataAdapter(Sql2, sms_conn);
        DataSet ds2 = new DataSet();
        try
        {
            da2.Fill(ds2, "checksh");
            GridView2.DataSource = ds2.Tables["checksh"].DefaultView;
            GridView2.DataBind();
            
        }
        catch (Exception ex)
        {

Button btn = e.Row.FindControl("buttonid") as Button;
if(btn!=null)
{
   e.Row.Attributes.Add("onclick", "document.getElementById('btn.ClientID').click();");
}


                         MS官方的ASP.Net AJAX 1.0如何用，简单的联动