Categorys.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;
using System.Data.SqlClient;

public partial class Categorys : System.Web.UI.Page
{
	int categoryID = -1;
	/// <summary>
	/// 每一页显示的记录数量，默认值为8
	/// </summary>
	private int PageCount = 8;
	/// <summary>
	/// 当前页码
	/// </summary>
	private int CurrentPageIndex = -1;
	/// <summary>
	/// 总页码数量
	/// </summary>
	private int TotalPageIndex = 0;

	protected void Page_Load(object sender,EventArgs e)
	{   ///获取当前分类的ID值
        ///
        SqlConnection imageConnect = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ToString());
        imageConnect.Open();
        DataSet ds = new DataSet();
        SqlDataAdapter sdr = new SqlDataAdapter(" select * from Category  ", imageConnect);
        sdr.Fill(ds);
        DropDownList1.DataSource = ds;
        DropDownList1.DataTextField = "name";
        DropDownList1.DataValueField = "id";
        DropDownList1.DataBind();
        DropDownList1.Items.Insert(0, "请选择");
        
		if(Request.Params["CategoryID"] != null)
		{
			categoryID = Int32.Parse(Request.Params["CategoryID"].ToString());
		}
		///获取总页码数量
		if(ViewState[AjaxAlbumSystem.TOTALPAGEINDEX] != null)
		{
			TotalPageIndex = Int32.Parse(ViewState[AjaxAlbumSystem.TOTALPAGEINDEX].ToString());
		}
		///获取当前页码
		if(ViewState[AjaxAlbumSystem.CURRENTPAGEINDEX] != null)
		{
			CurrentPageIndex = Int32.Parse(ViewState[AjaxAlbumSystem.CURRENTPAGEINDEX].ToString());
		}
		///初始化页面的数据，并设置为第一页。
		if(!Page.IsPostBack && categoryID > 0)
		{