我有一个数据源,过滤器和过滤后的转发器,我为其创建了自定义过滤器。
出于某种原因,我的过滤器在屏幕上没有其他过滤器。一个可以正常使用屏幕上的其他过滤器。
当我在屏幕上有另一个过滤器时,最后一个过滤器拒绝工作,但没有任何其他工作正常。
我很确定它与我后面的文件后面的代码有关。
FILTER#1
"releaseCompileClasspath"
FILTER#2
using CMS.DocumentEngine;
using CMS.Helpers;
using System;
using System.Web;
using System.Web.UI.WebControls;
using CMS.DocumentEngine.Web.UI;
public partial class CMSGlobalFiles_SectorFilterControl : CMSAbstractDataFilterControl
{
protected void Page_Load(object sender, EventArgs e)
{
}
/// <summary>
/// Sets up the inner child controls.
/// </summary>
private void SetupControl()
{
// Hides the filter if StopProcessing is enabled
if (this.StopProcessing)
{
this.Visible = false;
}
// Initializes only if the current request is NOT a postback
else if (!RequestHelper.IsPostBack())
{
// Loads product departments as filtering options
InitializeClientSectors();
}
}
/// <summary>
/// Loads all existing product departments as filtering options into the department drop-down list.
/// </summary>
private void InitializeClientSectors()
{
// Adds the default '(all)' option
this.drpSector.Items.Insert(0, new ListItem("(all)", "##ALL##"));
var clientSectors = DocumentHelper.GetDocuments("BBUS.Sector")
.Path("/Sector/", PathTypeEnum.Children)
.OnSite("Balfour-dev.allata.com");
if (!DataHelper.DataSourceIsEmpty(clientSectors))
{
int count = 1;
foreach (var clientSector in clientSectors)
{
var ClientSectorID = clientSector.GetValue("SectorID").ToString();
this.drpSector.Items.Insert(count++, new ListItem(clientSector.DocumentName, ClientSectorID));
}
}
}
/// <summary>
/// Generates a WHERE condition and ORDER BY clause based on the current filtering selection.
/// </summary>
private void SetFilter()
{
string where = null;
// Generates a WHERE condition based on the selected product department
if (this.drpSector.SelectedIndex > 0 && this.drpSector.SelectedValue != null)
{
//where = string.Format("clientSector = {0}", this.drpClientSector.SelectedValue);
where = string.Format(
"sector LIKE '%|{0}|%' " +
"OR sector LIKE '{0}|%' " +
"OR sector LIKE '%|{0}' " +
"OR sector = '{0}'", this.drpSector.SelectedValue);
}
if (where != null)
{
// Sets the Where condition
this.WhereCondition = where;
}
// Raises the filter changed event
this.RaiseOnFilterChanged();
}
/// <summary>
/// Init event handler.
/// </summary>
protected override void OnInit(EventArgs e)
{
// Creates the child controls
SetupControl();
base.OnInit(e);
}
/// <summary>
/// PreRender event handler
/// </summary>
protected override void OnPreRender(EventArgs e)
{
var ClientSectorID = HttpContext.Current.Request.QueryString.Get("SectorID");
// Checks if the current request is a postback
if (RequestHelper.IsPostBack())
{
// Applies the filter to the displayed data
SetFilter();
}
else if (!string.IsNullOrEmpty(ClientSectorID))
{
this.drpSector.SelectedIndex = this.drpSector.Items.IndexOf(this.drpSector.Items.FindByValue(ClientSectorID));
SetFilter();
}
base.OnPreRender(e);
}
protected void btnFilter_Click(object sender, EventArgs e)
{
// Remove Query Strings
string url = Request.RawUrl.Split(new[] { '?' })[0];
// Add ClientSectorID Query String
string updatedQueryString = "?" + "SectorID=" + this.drpSector.SelectedValue;
Response.Redirect(url + updatedQueryString);
}
}
答案 0 :(得分:1)
可悲的是,这只是一个限制,每个转发器/数据源只能有1个过滤器(似乎除了智能搜索,它可以处理多个)。
您很可能需要将两个过滤器合并为一个过滤器,并将逻辑组合到一个条件中。
虽然允许多个过滤器会很棒!