Accessing Fingerprint Reader From Page
Jun 1, 2012Is there a way to access fingerprint scanner in asp.net page?
i am making a web project in which i have to verify a person by his fingerprints before adding him to database..
Is there a way to access fingerprint scanner in asp.net page?
i am making a web project in which i have to verify a person by his fingerprints before adding him to database..
Is it possible to integrate a fingerprint reader with asp.net? Are there any C# libraries available for detecting fingerprints?
I have no idea how to start to code the program that will store, retrieve and compare the fingerprint.
I have some code in my vb.net code behind that queries a database, and if there is data, outputs it from the codebehind to a datalist on my asp.net page. In addition to sending the data to the datalist on the page, I need to take the value from "mbillaty" that is returned from the sql query, and have that value be the selected value for a drop down box also on the page. I can get either the datalist to fill, or the selected value for the dropdown box to be selected depending upon which bit of code I place before the other (ARGH), but I can't get them to both work together on the page. What am I doing wrong?
[Code]....
I'm currently trying to build a html table from the results of a sql data reader. As my table has multiple records, I want the code to loop through the reader and output the details on individual lines of the page. In ASP I have done this in the past using something like
[Code]....
but as I am using data readers I'm not sure what the equivalent is.
I am using Master page and Content page combination.But how can i access <body> tag and it's event (onload, onunload) of Master page in .aspx page that is not a content page.
View 12 Repliesi have a asp.net page that have its master page and it contain RadioButtonList1 and i try to do thefollwing
<script type="text/javascript">
var radioButtonList = document.getElementById('<%=RadioButtonList1.ClientID%>');
if(radioButtonList[0].checked)
document.getElementById("_secondTR").style.display = "block";
else if (radioButtonList[1].checked )
document.getElementById("_secondTR").style.display = "none";
}
</script>
<table style="width: 100%">
<tr id="Tr1">
<td>
<asp:RadioButtonList ID="RadioButtonList1" runat="server" BackColor="#FFCC99"
RepeatDirection="Horizontal" Width="117px" onclick="ShowHide()">
<asp:ListItem Value="1">Yes</asp:ListItem>
<asp:ListItem Value="0">No</asp:ListItem>
</asp:RadioButtonList>
</td>
</tr>
<tr id="_secondTR" runat="server" style="display: none">
<td>
<asp:RadioButton ID="Five" runat="server" GroupName="1" BackColor="#669999" />
<asp:RadioButton ID="Four" runat="server" GroupName="1" CausesValidation="True" BackColor="#669999" />
</td>
</tr>
</table>
i can't get RadioButtonList1 from java script ...
Here is my situation: I have a user control that has a menu in it. This user control sits on my master page. It is my main navigation menu for my application. I am having an issue where, on one of my pages, users seem to be leaving the page before committing all changes to the database, which results in a loss of data. So what I want to accomplish is - if the user is leaving this page and the data has not been saved yet, I want to prompt the user and say something like "The information is not yet saved, are you sure you want to leave this page" in a modal popup. So my approach is this: In my menu user control, create an event handler called MenuClicked that is raised when the menu web control's (in the user control) MenuItemClicked is raised, I raise my custom MenuClicked event. Then on my master page, I can catch this event in NavMenu_MenuClicked. My problem is - I need to catch this event in my content page, not the master? Am I approaching this correctly?
View 2 RepliesI have user control in the master page. user control code behind page having public property called SetValue.
Now I want to set the value from content page .
I want to access controls (textbox and HTML hidden fields) from current page to do some transactions in my database.
View 3 RepliesI have a problem i am trying to work out the best method with my limited skills. Im using vb.net(VS 2010) I am using a dll for an IFrame , which is call from code behind. On my site I havea masterpage which has two gridviews. ( GrdViewWebBureau is the one i am using for this query) GrdViewWebBureau is contained within an update panel and updated on a timer control trigger. GrdViewWebBureau updates the page with file counts and status from our clients. I can click on any one of the cells and the code behind is fired. What I am trying to do is put an IFrame on the master page and every time a user clicks on the grid, the Iframe is fired up.
I have tested the iframe and vb code behind from a dummy page and it works, however when the Iframe is on the master page it doeant work. What I am tryingh to achieve is that no matter what page a user is on the site, they will be able to click on the GrdViewWebBureau and the iframe will fire with the correct childpage. Each webPage may also have an Iframe as well, so i dont know if it is possible to make the IFrame global and just call that control ?? I have no idea if 1 this is possible with the code i have and 2, if i have the brains to understand the who what why and when.
[Code]....
I am just starting out with ASP.net and C#.
I have a master page that contains the main site navigation and a child master page that contains a secondary menu. I want to set the starting node on the secondary menu based on the selection on the main menu.
I can get the code to work when the menus are on the same page, but when I separate them into their respective master pages, I get an error saying "The name 'SiteMapDataSource2' does not exist in the current context".
I have tried playing around with the FindControl() method, but either it won't work or I'm not getting the syntax right. Most of the information I find is for a child page referencing the master page, but not the other way around.
How can I access the SiteMapDataSource2 control from the master page? If possible, can you include the exact syntax as I am still trying to get the hang of this.
Here is a basic representation of my code, with all of the uncessary stuff stripped out:
Master Page
[Code]....
Master Page Codebehind
[Code]....
Child Page
[Code]....
I have a custom basepage and a master page in my web application. In my master page, there are events that I run from each page in my web application. Instead of putting the code in each of my pages, I decided to create a base page that each web page will inherit from. Trouble is, I cannot get the base page to invoke the events on the master page.
View 1 Repliesi have a masterpage and has some linkbuttons in it, i also have a webform which is a content page for the masterpage. i like to access the controls to the webform via the linkbutton residing in the masterpage or access the linkbuttons via the webform controls.
View 1 RepliesWe have some code which is designed to build up a key/value pair of controls on a ASP.NET webforms page and their values. We use the "Controls" collection and recursion to build up this key/value pair.
The only issue is that ascx controls don't appear to come back in the "Controls" collection. Instead we get the controls on the ascx.
Something similar to the following code:
[Code]....
The subCtl is never a ascx control. Is there a way to get a list of the ascx controls on page or better still a different collection that contains both types?
I am using vs2008
I am having one solutions with Mutiple Projects
Example
1.PayRoll [ Project 1 ]
2.Employee Portal [ Project 2 ]
MyWorkPlace[Folder Name]
BasicInfo.aspx
LeaveInfo.aspx .....Etc
these two Projects run SeparateURL
Database is Common for Both Project
In Both Project i am Generating Dynamic Menu Only..
in DB ///
Forms URL
Leave ../../MyWorkPlace/LeaveInfo.aspx
Profile ../../MyWorkPlace/BasicInfo.aspx
Like this only Menu url wil be Given in Database.
Menu Wil come i Both Application..
But Pages are in Project 2[ Employee Portal Only ] but i have to access this Pages in
Project 1 [Payroll]
I am developing a small application in asp.net (writing in c#). In my application I am using jquery to perform asynchronous call to the server. I have an http handler that listens in to the requests and does what it needs to do.
Problems start when in the handler I need to access information stored in the page , from where the asynchronous call started. When I try this:
Page page = HttpContext.Current.Handler as Page;
I don't get a page.
How else can I access the page itself?
I'm using one Sublayout (Sitecore) and have a placeHolder that currently holds 2 webcontrols. I want to access the Label from one Webcontrol to the other Webcontrol.Do i have to find the Label recursively or can i just access the Label on another way? I tried different methods like:
this.Page.Findcontrol
this.Parent.Findcontrol
Label lblSearchTerm = (Label)this.Parent.FindControl("lblSearchTerm");
Label lblResults = (Label)this.Parent.FindControl("lblResults");
any result as being Label lblSearchTerm = null.
This is my html:
Code:
<!-- ADD PRINTER -->
<asp:Panel ID="AddPanel" runat="server" Visible="false" CssClass="aspPanel">
<h1>Add Printer</h1>
<p><asp:Label ID="lblPrinterEmailAddress" OnLoad="ProcesstextValues" runat="server" Text="Common/Label/EmailAddr" CssClass="aspLabel" />
[Code]......
When the user hits the Save button, AddSaveChanges_Click() is called. In that procedure, I want to make sure the user has entered a valid email in txbPrinterEmailAddress. The problem is when I reference RegExEmailValidator in my code behind, I get object reference not set to an instance. This is my code when I detect the invalid email
Code:
Else
Logwriter.LoggerWrite(String.Format("Page is NOT valid and {0} is an invalid email id", txbPrinterEmailAddress.Text), "MyLog")
'EditPanel.Visible = True
'ShowListPanel.Visible = False
'AddPanel.Visible = False
RegExEmailValidator.Enabled = True
RegExEmailValidator.Validate()
End If
And my log entries are:
11/22/2011 1:40:37 PM Page is NOT valid and xxxxxx is an invalid email id
11/22/2011 1:40:37 PM EXCEPTION in AddSaveChanges_Click() - Object reference not set to an instance of an object.Why is RegExEmailValidator not an instantiated object?
I have a master page with a textbox that I want to use for a search, and display the results on the content page.
I've dragged in the datasource to the content page, and configured the formview to use that datasource... almost.
The issue I'm having is that on the last step of the configure datasource wizard where you select the parameters, I want to select the master page textbox control for the search parameter... but of course it's not available in the list. The list only allows me to choose controls from the content page.
How do I set this master page search box as the parameter for my datasource?
I have a single master page in my application. It has a Label control for displaying Error Messages. I want to be able to access this Label control from any child page or Class module within the application. How do I reference this label from a Class module. I simply wish to use a Try Catch construct in the Class Module and reference the MP Label in the Catch segment.
View 13 RepliesI have a few pages in my web application where I would like to be able to use the code-behind of a master file, but not 'inherit' any of the other stuff like asp/html markup etc.
View 5 RepliesI am trying to reference a variable within my MasterPage but I am receiving errors.
I have tried
<%@ MasterType" %>
which gives the following error:
Compiler Error Message: CS0030:
Cannot convert type
'IPAMIntranet.IPAMIntranetMaster' to
'ASP.ipamintranetmaster_master'
and
string tVar = ((MyNamespace.MyMasterPage)Master).variable
which gives the following error:
Unable to cast object of type
'ASP.ipamintranetmaster_master' to
type
'IPAMIntranet.IPAMIntranetMaster'.
accessing a table on a page's masterpage.
So I have a sitemaster page and I am getting header and footer controls from it. But for a perticular page I would like not to show the footer and just the header.
Therefore, I am trying to access the master page table control with id "footer".
What I have tried and they all didnt work. First I tried,
Dim ptrMaster As MasterPage = Page.Master
ptrMaster.FindControl("footer").Visible = False
This gives me a null pointer error.
Then I tried to put in a accessor method on the site.master (masterpage) itself.
Public Sub HideFooter()
Me.Controls("footer").Visible = False
End Sub
But the problem here is when I create a masterpage object on the page that I would like to not show the footer. I cant see the method. So if I do
Dim ptrMaster As MasterPage = Page.Master
ptrMaster.HideFooter()
HideFooter doesnt show up as a method.
I have an aspx page and I want to access an application on the client after seeking user permission. Both the windows application and the website are to be made in VB.NET.
EDIT: Here is the problem. From my .aspx webpage in vb.net, a visitor clicks on a link on my site, and if my winform is not already loaded on their desktop, it is then loaded with the users permission. This application should auto-load on the user's site at boot up time and always be in the background running. Make it an extremely thin client, taking the least cpu and bandwidth from the user, and running as a silent background process until needed.
Whenever the user visits one of my many websites, IN ANY BROWSER, somehow - the app running in the background communicates with the .aspx on one of my sites, and exchanges a silent username password identifying client winform app to the online .aspx app on my website.
Then the .aspx on my site PASSES a url such as "www.somewebsite.com" to the app running in the background, the background app then does a http request from the client's computer, not from my .aspx server, so the client's cookies and ip are visible to "www.somewebsite.com" server. The client collects the html for that page, stores it as a string, and also saves the ascii of that webpage as another string.
Both strings then are PASSED BACK to my .aspx website that the client is visiting, and the .aspx app then stores these results in a database.
I have an .aspx page as my custom 404 page on a site set up on IIS 7. I need to retrieve the original URL that the user was trying to access in order to do some processing on the 404 page. The trick is that I need to specifically handle 404's that do not contain a .aspx extension (e.g http://mysite/testurl), which do not get routed through ASP.NET's custom errors section. I can configure IIS to point to my custom 404, but at that point I do not know how to get my original URL?
View 1 Replies