workback.cs

这个是个未完成品 演示地址：http://www.yyzyq.com 仅以此例给正在学习编程爱好.net的朋友 希望能给大家带来帮助

using System;
using System.Data;
using System.Configuration;
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;

/// <summary>
/// WorkBack 的摘要说明
/// </summary>
public class WorkBack:Back
{
    Controls ctrl = new Controls();
	public WorkBack()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
	}

    /// <summary>
    /// 简单回复帖子
    /// </summary>
    /// <param name="content">回复内容</param>
    public void SimpleBack(Control ctrlContent)
    {
        #region
        if (!Equals(UserInfo.GetUserName, null))
        {            
            string content = ctrl.GetText((TextBox)ctrlContent);
            if (content.Length == 0)
                JScript.Alert("回复信息不能为空！");
            else if (content.Length > 4000)
                JScript.Alert("回复信息不能超过4000字符！");
            else
            {
                if (AddBack(content.Replace("\n","<br>"), UserInfo.GetUserName, QueryString.GetThemeId))
                    HttpContext.Current.Response.Redirect("SavePost.aspx?bigid=" + QueryString.GetBigId + "&smallid=" + QueryString.GetSmallId + "&ThemeId=" + QueryString.GetThemeId);
            }
        }
        else
            HttpContext.Current.Response.Redirect("UserLogin.aspx");
        #endregion
    }

    /// <summary>
    /// 回复信息分页导航
    /// </summary>
    /// <param name="ctrlList">控件列表：0为显示主题的控件、1为页数显示、2为第一页
    /// 3为前一页、4为下一页、5为最后页、6为下拉跳转页控件 
    /// </param>
    public void GroupPage(Control [] ctrlList)
    {
        #region
        DataList dl = (DataList)ctrlList[0];
        Label lblCount = (Label)ctrlList[1];
        HyperLink lnkFirst = (HyperLink)ctrlList[2];
        HyperLink lnkPrev = (HyperLink)ctrlList[3];
        HyperLink lnkNext = (HyperLink)ctrlList[4];
        HyperLink lnkEnd = (HyperLink)ctrlList[5];
        DropDownList ddlJumpToPageNum = (DropDownList)ctrlList[6];
        int CurPage = int.Parse(QueryString.GetPageId);
        if (Equals(CurPage, 1))
            dl.Visible = true;
        else
            dl.Visible = false;
        PagedDataSource objPage = new PagedDataSource();//对分页功能的类实例对象
        //设置数据源
        objPage.DataSource = DvBack(QueryString.GetThemeId);
        //允许分页
        objPage.AllowPaging = true;
        //设置每页显示的项数
        objPage.PageSize = 20;
        //在回复编辑器头加上回复标题内容
        int countSum = objPage.PageCount;
        lblCount.Text = CurPage.ToString() + "/" + countSum.ToString() + "页";
        objPage.CurrentPageIndex = CurPage - 1;
        //如果当前页面不是首页
        if (!objPage.IsFirstPage)
        {
            //定义"上一页"超级链接的URL为：当前执行页面的虚拟路径,并传递下一页面的索引值
            lnkPrev.NavigateUrl = HttpContext.Current.Request.CurrentExecutionFilePath + "?bigid=" + QueryString.GetBigId + "&smallid=" + QueryString.GetSmallId + "&themeid=" + QueryString.GetThemeId + "&Page=" + Convert.ToString(CurPage - 1);
            lnkFirst.NavigateUrl = HttpContext.Current.Request.CurrentExecutionFilePath + "?bigid=" + QueryString.GetBigId + "&smallid=" + QueryString.GetSmallId + "&themeid=" + QueryString.GetThemeId + "&Page=1";
        }

        //如果当前页面不是最后一页
        if (!objPage.IsLastPage)
        {
            //定义"下一页"超级链接的URL为：当前执行页面的虚拟路径,并传递下一页面的索引值
            lnkNext.NavigateUrl = HttpContext.Current.Request.CurrentExecutionFilePath + "?bigid=" + QueryString.GetBigId + "&smallid=" + QueryString.GetSmallId + "&themeid=" + QueryString.GetThemeId + "&Page=" + Convert.ToString(CurPage + 1);
            lnkEnd.NavigateUrl = HttpContext.Current.Request.CurrentExecutionFilePath + "?bigid=" + QueryString.GetBigId + "&smallid=" + QueryString.GetSmallId + "&themeid=" + QueryString.GetThemeId + "&Page=" + Convert.ToString(countSum);
        }
        //对“转到”下拉列表初始化
        ddlJumpToPageNum.Items.Clear();

        for (int i = 1; i <= countSum; i++)
        {
            ddlJumpToPageNum.Items.Add(i.ToString());
        }
        ctrl.BindDataGrid((DataGrid)ctrlList[7], "id", "v_back", CurPage, 20, "themeid=" + QueryString.GetThemeId); 
        #endregion
    }

    /// <summary>
    /// 编辑回复信息
    /// </summary>
    /// <param name="strBackId"></param>
    public void BackItemEdit(string strBackId)
    {
        #region
        if (!Equals(UserInfo.GetUserName, null))
        {
            HttpContext.Current.Response.Redirect("SendBack.aspx?bigid=" + QueryString.GetBigId + "&smallid=" + QueryString.GetSmallId + "&themeid=" + QueryString.GetThemeId + "&backid=" + strBackId);
        }
        else
            HttpContext.Current.Response.Redirect("UserLogin.aspx");
        #endregion
    }
    
}