GridView 自定义简单操作

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class SY16:System.Web.UI.Page
... {
protectedvoidPage_Load(objectsender,EventArgse)
...{
if(Page.IsPostBack)
return;
DataBind();

}
protectedvoidGridView_pubs_RowDeleting(objectsender,GridViewDeleteEventArgse)
...{
intSelectedIndex=e.RowIndex;
stringpub_id=GridView_pubs.Rows[SelectedIndex].Cells[1].Text;
BLL.AccessDataBasedb=newBLL.AccessDataBase();
db.Delete(pub_id);
DataBind();
Response.Write(SelectedIndex.ToString()+pub_id);

}
protectedvoidButton_query_Click(objectsender,EventArgse)
...{
BLL.AccessDataBasedb=newBLL.AccessDataBase();
DataSetds=db.Query(TextBox_query.Text.ToString());
GridView_pubs.DataSource=ds;
GridView_pubs.DataBind();
}
protectedvoidGridView_pubs_RowEditing(objectsender,GridViewEditEventArgse)
...{
GridView_pubs.EditIndex=e.NewEditIndex;
DataBind();

}
protectedvoidGridView_pubs_RowUpdating(objectsender,GridViewUpdateEventArgse)
...{
intEditIndex=e.RowIndex;
Response.Write(EditIndex.ToString());
stringpub_id=((TextBox)GridView_pubs.Rows[EditIndex].Cells[1].Controls[0]).Text;
stringpub_name=((TextBox)GridView_pubs.Rows[EditIndex].Cells[2].Controls[0]).Text;
stringcity=((TextBox)GridView_pubs.Rows[EditIndex].Cells[3].Controls[0]).Text;
stringstate=((TextBox)GridView_pubs.Rows[EditIndex].Cells[4].Controls[0]).Text;
stringcountry=((TextBox)GridView_pubs.Rows[EditIndex].Cells[5].Controls[0]).Text;
BLL.AccessDataBasedb=newBLL.AccessDataBase();
db.Update(pub_id,pub_name,city,state,country);
GridView_pubs.EditIndex=-1;
DataBind();
}
protectedvoidGridView_pubs_RowCancelingEdit(objectsender,GridViewCancelEditEventArgse)
...{
GridView_pubs.EditIndex=-1;
DataBind();
}
privatevoidDataBind()
...{
BLL.AccessDataBasedb=newBLL.AccessDataBase();
DataSetds=db.ShowData();
GridView_pubs.DataSource=ds;
GridView_pubs.DataBind();
}
}