CategoryManage.aspx.cs

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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 ASPNETAJAXWeb.AjaxAlbum;

public partial class CategoryManage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
		if(!Page.IsPostBack)
		{
			BindPageData();
		}
    }

	private void BindPageData()
	{   ///获取数据
		Album album = new Album();
		DataSet ds = album.GetCategoryAndPhoto();
		///显示数据
		gvCategory.DataSource = ds;
		gvCategory.DataBind();
	}
	protected void gvCategory_RowCommand(object sender,GridViewCommandEventArgs e)
	{
		if(e.CommandName.ToLower() == "update")
		{   ///重定向到修改分类页面
			Response.Redirect("~/UpdateCategory.aspx?CategoryID=" + e.CommandArgument.ToString());
			return;
		}
		if(e.CommandName.ToLower() == "del")
		{   ///删除选择的图片分类
			Album album = new Album();
			if(album.DeleteCategory(Int32.Parse(e.CommandArgument.ToString())) > 0)
			{
				BindPageData();
			}
			return;
		}
	}
	protected void gvCategory_RowDataBound(object sender,GridViewRowEventArgs e)
	{   ///添加删除确认的对话框
		ImageButton imgDelete = (ImageButton)e.Row.FindControl("imgDelete");
		if(imgDelete != null)
		{
			imgDelete.Attributes.Add("onclick","return confirm(\"您确认要删除当前行的图片分类吗？\");");
		}
	}
	protected void gvCategory_PageIndexChanging(object sender,GridViewPageEventArgs e)
	{   ///设置新的页码，并重新显示数据
		gvCategory.PageIndex = e.NewPageIndex;
		BindPageData();
	}