Top "Autopostback" questions

Have to click button twice in asp.net (after autopostback textbox)

On a page I have: <asp:TextBox runat="server" ID="EmailTextBox" AutoPostBack="true" OnTextChanged="EmailTextBox_Changed" /> <asp:…

asp.net autopostback

ASP:Checkbox how to autopostback only on checked?

I've got a checkbox that's set up as below: <asp:CheckBox ID="myCheckbox" runat="Server" OnClick="showLoadingScreen(this.checked);" …

asp.net javascript checkbox postback autopostback

customvalidator for dropdownlist not being invoked (apparently)

Writing a custom validator for a dropdownlist that is using autopostback. Seems to ignore the validation altogether. Why is it …

asp.net vb.net drop-down-menu customvalidator autopostback

C# Webform file upload with button postback not with POST

I have a Webform(aspx) page. In it we basically have this form that we "post" when pressing a button, …

c# .net file-upload webforms autopostback

How to avoid UpdatePanel scrolling on AutoPostBack?

I have an ASP.NET FormView within an updatepanel. I'm auto-saving the form by setting AutoPostBack=true for each of …

asp.net updatepanel scroll autopostback

ASP.NET: how to stop page from jumping when using AutoPostBack?

I'm using ASP.NET, and in a Wizard control I have radio buttons where if "Yes" is selected, a panel …

asp.net wizard autopostback page-jump maintainscrollpositionon

HTML form with single text field + preventing postback in Internet Explorer

I have noticed a rather strange behaviour in IE. I have a HTML form with a single input text field …

javascript internet-explorer javascript-events autopostback

Why SelectedIndexChanged fires for a DropDownList when a button is clicked?

I have an ASP.NET DropDownList with AutoPostBack=true and EnableViewState=false. I have a button on the page that …

.net asp.net drop-down-menu viewstate autopostback

Stop DropDownList In Asp.net webforms from refreshing the page

I have a normal dropdownlist: <asp:DropDownList ID="kindofser" runat="server" AutoPostBack="True" Height="21px" Width="166px" onselectedindexchanged="kindofser_…

asp.net drop-down-menu autopostback

ASP.NET UpdatePanel not working, it refreshes the whole page

I'm new in using UpdatePanel, I Have 2 DropDownList: DropDownList_1 and DropDownList_2 where DropDownList_2 content will be dependent to DropDownList_1 selected …

c# asp.net asp.net-ajax updatepanel autopostback