复制代码 代码如下:
book_admin.aspx.cs
复制代码 代码如下:
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;
using System.Data.OleDb;
public partial class admin_book_admin : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//判断管理员是否已经登陆
admin.checkadmin();
btnDel.Attributes.Add("onclick", "return confirm('确定删除吗？')");
if (!Page.IsPostBack)
{
datainit();
}
}
protected void grwBook_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
this.grwBook.PageIndex = e.NewPageIndex;
Session["curretnPage"] = e.NewPageIndex;
datainit();
}
//数据绑定
private void datainit()
{
DataSet ds = db.dataSet("select ID,UserName,Comments,Postdate,newsid from Feedback order by Postdate desc,newsid desc");
if (ViewState["currentPage"] != null)
{
this.grwBook.PageIndex = Convert.ToInt32(Session["currentPage"]);
}
this.grwBook.DataSource = ds;
this.grwBook.DataBind();
}
//执行删除操作
protected void btnDel_Click(object sender, EventArgs e)
{
string sqlText = "(";
for (int i = 0; i < grwBook.Rows.Count; i++)
{
//搜索第n行3列
CheckBox cbx = (CheckBox)grwBook.Rows[i].FindControl("cbxId");
if (cbx.Checked == true)
{
sqlText = sqlText + Convert.ToInt32(grwBook.DataKeys[i].Value) + ",";
}
}
//判断是否有选中
if (sqlText != "(")
{
//去掉最后的逗号，并且加上右括号
sqlText = sqlText.Substring(0, sqlText.Length - 1) + ")";
sqlText = "delete from Feedback where ID in" + sqlText;
try
{
//执行删除语句
db.excuteSql(sqlText);
//重新绑定数据
common.salert("删除成功");
datainit();
//Response.Redirect("book_admin.aspx");
}
catch (Exception ex)
{
//若有错误发生，输出错误信息
common.salert(ex.Message);
}
finally
{
}
}
else
{
common.salert("您还没有选中有删除的项");
}
}
}
