[英]ASP.NET CheckBox AutoPostBack not firing
我有一個要添加到服務器控件的復選框。 此復選框也未添加通常的onclick ...__ doPostBack()調用。 這導致它不會像我希望的那樣導致回發。
private void CreateGrid()
{
StringWriter sWriter = new StringWriter();
HtmlTextWriter writer = new HtmlTextWriter(sWriter);
GridItem.ID = "gridItem";
GridHeader.ID = "gridHeader";
GridHeader.Attributes["class"] += " no-select";
GridCount.ID = "GridCount";
GridDescription.ID = "GridDescription";
if (cBoxID == null) tBox.Visible = false;
else
{
tBox.ID = cBoxID;
tBox.AutoPostBack = true;
tBox.EnableViewState = true;
ScriptManager.GetCurrent(this.Page).RegisterPostBackControl(tBox);
//tBox.CheckedChanged += new EventHandler(Force_Post_Back);
}
QuickFilter.Attributes["class"] = "quick-filter";
QuickFilter.Attributes["title"] = "Quick Filter";
IconMagnifier.Attributes["class"] = "icon-magnifier";
GridResults.ID = "ltlGridResults";
GridResults.ClientIDMode = ClientIDMode.Static;
//GridResults.EnableViewState = false;
QuickFilter.Controls.Add(IconMagnifier);
GridHeader.Controls.AddAt(0, tBox);
GridHeader.Controls.Add(QuickFilter);
GridHeader.Controls.Add(GridCount);
GridHeader.Controls.Add(GridDescription);
GridItem.Controls.Add(GridHeader);
GridItem.Controls.Add(GridResults);
}
protected void Page_PreRender(object sender, EventArgs e)
{
CreateGrid();
}
protected override void Render(HtmlTextWriter writer)
{
GridItem.RenderControl(writer);
}
我在CreateGrid方法的底部添加了以下代碼:
this.Controls.Add(GridItem);
這使我可以將GridItem控件添加到當前控件中,從而允許回發。 即使您渲染了Checkbox,也沒有此調用,它完全是愚蠢的。
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