Web Forms :: Cannot Access Control Id From Code Behind (c#)
Feb 18, 2010
I have a .aspx page that inherits from a class (Hmp.Web.Lib.HmpWebPage which actually inherits System.Web.UI.Page) . The code behind for my page starts like this.
public
partial
class
FnmMessagesEdit : Hmp.Web.Lib.HmpWebPage
and the markup is
<%
@
Page
Title=""
Language="C#"
MasterPageFile="~/MasterPages/HampMaster.master"
MaintainScrollPositionOnPostback="true"
AutoEventWireup="true"
CodeBehind="FnmMessagesEdit.aspx.cs"
Inherits="HMP.Web.features.FnmMessagesEdit" %>
My problem is that I have a textbox with the following markup ,but cannot access the textbox from codebehind
<asp:TextBox
ID="txtTitle"
runat="server"
Width="236Px"></asp:TextBox>
Also I am using Telerik controls on my page .Do you think that it is the problem?
View 7 Replies
Similar Messages:
Jun 3, 2010
I have several checkbox controls on my web form that are not server controls (runat="server") How can I access these controls form my C# code? Can this be done with document.GetelementById from the server side using C#? Or some other technique?
I am not allowed to make these server controls (runat=server) because of a requirement.
View 4 Replies
May 14, 2010
I'm trying to access a user control from my .vb code behind file. I am actually trying to access a button on that user control page.
View 7 Replies
Jun 27, 2010
I have an asp.net 3.5 WebSite application where I have a bunch of UserControls.
In some scenarios I have a reference of type Control (System.Web.UI.Control) that I need to cast to a specific User Control type (to access public properties and methods of the User Control).
The User Control classes are all declared in "the global scope", i.e. not within a namespace. However, for some reason, only some of my User Controls is possible to type in a code file and show up in intellisense and some just wont. In one scenario I could write the cast in code anyway and the site would build (but the UserControl type name did not shift in to the ordinary class name color (light green, you know) in VS text editor), but when running the page I still get the error message about missing using directive or a reference...
If I use the VS 2010 "Navigate to" feature (Ctrl+,) and search for a type I usually get one hit for the Type/Class name and another for the actual file. When searching on my User Control class names I only get the file hits, no class representation. This even goes for those User Control types I actually can access in code.
I've tried to compare the User Control classes that work and doesn't work, but I can't find any difference, they are all declared as public partial.
View 2 Replies
Mar 20, 2010
I have to access my html control and get its value from my server-side code. Is there anybody who could suggest how I could do it?
My html control is very simple: <input type=text>
But the thing is: I can't make it <input type=text runat=server> cause in this case my jquery functionality (datepicker) does not work.
View 4 Replies
Jul 22, 2010
I want to access my checkbox in code behind. I have my checkbox in my aspx file like this:
[Code]....
And i'm trying to set the checkbox visible=false like this but it's not working. Error message: Object reference not set to an instance of an object.
[Code]....
This is just one thing i want to do with my controls in my datalist, so i don't want to in my aspx file like this:
<asp:CheckBox ID="CheckBox1" runat="server" Visible='<%# if(Eval("isFolder")="1","false","true") %>' />
Because i have quite a lot of things i would like to do in the code behind when i'm getting my files..
Is it possible somehow to achieve this without having to put servercode in my aspx file?
View 8 Replies
Apr 28, 2010
my application runs on the client side. I have to access a display on the asp page via javascript. I have the following code working properly:
ClientSript.RegisterStartupScript(this.GetType(), "allMessages", "<script>document.forms[0].tbDisplay.value='Messages'; </script>");
tbDisplay is a "text box" asp:textbox control. I need to replace de 'Messages' for avariable. so instead of printing "Messages" all the time, I can change the information on the variable prior to display the message. how to change 'Messages' to a variable.
View 5 Replies
Dec 22, 2010
I have a user control called adminMenu and I use it in my index.aspx and all is fine, but I need to access a MenuItem in adminMenu and need to change NavigateUrl on the MenuItem. Tried this code with no luck:
MenuItem MaintenanceReports = this.adminMenu.FindItem("MaintenanceReports");
Not sure if I should be accessing adminMenu properties from controls code behind, but when I try from controls code behind was not able to access it either.
View 2 Replies
Aug 12, 2010
I have a code to link to sql can anyone give me the same code for microsoft access....
try
{
int videoID = Convert.ToInt32(Request.QueryString["ID"]);
SqlConnection conn = new SqlConnection("server=WEBDESIGN-PC;database=Credentials;uid=sa;pwd=Azeem;");
conn.Open();
SqlCommand cmd = new SqlCommand("SELECT * FROM videopath WHERE videoID=" + videoID, conn);
SqlDataReader dtr = cmd.ExecuteReader();
dtr.Read();
FlashVideo1.VideoURL = Convert.ToString(dtr["Filepath"]);
Label1.Text = Convert.ToString(dtr["Filename"]);
conn.Close();
}
catch (Exception ex)
{
Label1.Text = Convert.ToString(ex);
}
finally
{
}
View 2 Replies
Jun 11, 2010
I have to access the parent form's controls inside an event handler method on my user control's code behind.
View 4 Replies
Jun 22, 2010
i have a celender cotrol in a FormView control. how i can access the calender control "SelectedDate" property in my code.
View 3 Replies
Apr 25, 2010
i am trying to bind data to a datagridview control on an ASPX webpage and am using something like this..
<asp:TemplateField HeaderText="MyField">
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem, "MyField") %>
</ItemTemplate>
</asp:TemplateField>
the problem i am having is that the data for the 'MyField' field is actually an integer that is a reference to a string value in another sql table.
Does anyone know how i can reformat my code line above to show the string value instead of the int value?
View 1 Replies
Jan 29, 2010
I'm building form validation controls for our C# ASP application. The bulk of the work is handled by a BaseValidator control (subclassing System.Web.UI.UserControl), which also has the markup for the validation output. This is then extended by subcontrols like PasswordValidator, that provides the Validate method and any extra fields needed by that validator control.
(The end goal is to have controls like <uc1:PasswordValidator ControlId="txtPassword" /> which we can plop into any form with minimum duplication.)
However, PasswordValidator.ascx.cs cannot access the form elements defined in BaseValidator.ascx; the only way I've found to do so is to duplicate the markup in each subcontrol's *.ascx file. How can I extend BaseValidator.ascx.cs and access BaseValidator.ascx's markup in the subclass?
View 3 Replies
Mar 25, 2011
I have been asked to support a legacy app and I can't get access to the code behind files. I need to add a new feature that gets a list of items from the database on page_load, what way would adding an "in-page" page_load affect the compiled page_load?
View 2 Replies
Mar 23, 2010
I am using the following code to insert data into an Access Database. Also this is the sqlcommand.
UPDATE TASKS Set Notes="bunch of html code" WHERE APPLICATION="SomeApp"
However I get an error. How can I input data regardless of what is in the command area?
'Dim ConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|AddCol.mdb"
View 3 Replies
Feb 9, 2011
I am dynamically creating div tags in my code behind and adding code into the innerHTML property of the div tag and then rendering out the html to replace values inside of a table structure that I have, I then place all the table code onto the page. I want to be able to access the div tags again from the code behind, but can't seem to because well obviously they aren't set to runat="server". Is there any way to do this or to set them so they can runat server.
View 4 Replies
Dec 10, 2010
Access client side code from code behind. Is there a way to do this? How can i do this?
I have an object embedded on my web form. I need to access this object and change its properties at runtime.
How can i do this?
View 5 Replies
May 11, 2010
I'm having trouble accessing custom profile properties that I've declared in my web.config using the TableProfileProvider available at [URL] I set everything up according to the instructions but keep receiving an error stating "The type or namespace name 'Profile' could not be found" whenever I refer to the Profile object in my codebehind. My web.config is:
<profile enabled="true" defaultProvider="TableProfileProvider">
<providers>
<clear />
<!-- below is the asp.net default provider -->
<!--<add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="WebPortalDb" applicationName="/" />-->
<add name="TableProfileProvider"
type="Microsoft.Samples.SqlTableProfileProvider"
connectionStringName="WebPortalDb"
table="_ExtendedUserProfileData"
applicationName="WebPortal" />
</providers>
<properties>
<add name="FirstName"
type="string"
defaultValue="[null]"
customProviderData="FirstName;nvarchar" />
<add name="LastName"
type="string"
defaultValue="[null]"
customProviderData="LastName;nvarchar" />
<add name="EmailAddress"
type="string"
defaultValue="[null]"
customProviderData="EmailAddress;nvarchar" />
<add name="LastUpdateDate"
type="datetime"
defaultValue="[null]"
customProviderData="LastUpdatedDate;datetime" />
</properties>
</profile>
View 4 Replies
Jan 19, 2011
<input id="Checkbox2" type="checkbox"
onclick="fnHideSection()" />
iam using it to show/ hide a section but on post back the item being unchecked again how solve without using the asp checkbox
View 3 Replies
Nov 26, 2010
I need to access a control inside a repeater and change its properties. To enable it or not. I got an erorr message Object reference not set to an instance of an object. Here is my code inside a method. protected void
rptCAP_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
LinkButton lnDel = (LinkButton)rptCap.FindControl("lnkDelete");
lnkDel.Enabled = false; //<<<<< this is where the error occur
}
The name of the repeater control is id="rptCAP"
View 3 Replies
Jan 12, 2010
I have a calendar control in which i am loading data from db using the below method.
[code]...
What i want to achieve is in the selection changed event of the calendar.I would like to access the calendar selected cell value.I tried to look for a event in the selection changed method but unable to come up with any.Let me know if anyone came across this and able to access the value in the selected cell control value.
View 3 Replies
Jun 23, 2010
I have a parent control and a child control. On parent control load I am setting a cookie value. On child control I am checking if this cookie is not null then call parent control's CalculateDeliveryAndTax() method. How should I go about accessing from child control, parent control's CalculateDeliveryAndTax() method.
View 2 Replies
Sep 28, 2010
I have a 2 textboxes in a Login View on my Content Page (login.aspx) and Login Button outside of Login View. I want to pass the values of those textboxes to the members of class when user hit Login button.
I have User.cs class which contains TxtLogin and StrLogin.
[Code]...
When I debug the program and enter correct username and password it should show me "Thank you" rather than it is showing me "Enter valid Username and Password".
View 4 Replies
Jun 9, 2010
How do I use an HTML button to access C# code in a script?
The code I have looks like it should work, but it doesn't.
[Code]....
View 2 Replies
Nov 9, 2010
I have a Web Site project running on VD2008, with an Access back end and .NET 3.5, C#.
I have created the project several times and added the usual App_Code, Pages, App_Data, Properties, folders. I created a Master Page and several content pages BUT I am unable to get to the folders or root where there is a Class (code) file.
I have tried all the usual lines...
using SumaCard.App_Code
OR
SumaCard.App_Code.FTP_Code ftpc = new SumaCard.App_Code.FTP_Code();
but nothing works? I have been hasseling over this for 2 days now.
What have I missed? Maybe I built the project wrongly? (Project | New Project | Visual C# | Web | ASP.NET Web Application |??
View 2 Replies
