Make A Button Visible For Two Roles?
Jan 5, 2011
I am trying to make a button visible for users that are either in admin or manager role. I can't seem to figure it out,
Code:
teamLists.Visible = Page.User.IsInRole("Administrators", "Manager")
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May 14, 2010
How to make a link button visible after another button has been clicked in asp.net(vb) in button_click()
it says error as "Object reference not set to an instance of an object."
i've done this in my code
Protected Sub InsertButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim receipt As LinkButton = FormView1.FindControl("LinkButton1") [code]....
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Apr 16, 2010
there is a way to make a label visible for a seccond and then make it visible =false ; ?without javascript... just c# ,,,
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Mar 10, 2011
I was looking for some better way of coding to populate all text boxes and make them visible once a button is clicked, is there a better way of doing this than I describe below?
The scenario
I have a letter like format on a page with labels displaying address, name etc and it was recommended that on this page some of the information should be able to be edited. The idea I had was to keep the labels displaying the information but then when the edit details button is clicked the labels disappear, text boxes will appear and be populated with the same text as the label to allow the user to edit the details.
I seem to repeating lines of code but changing one thing each time
on page load
Dim Sname As String = Request.QueryString("Name")
lblStuName.Text = Sname
tbStuName.Text = Sname
tbStuName.visible=false
Dim Saddress As String = Request.QueryString("Address")
lblAddress.Text = Saddress
tbAddress.Text = Saddress
tbAddress.visible = false
etc...
on edit button
tbStuName.visible=true
tbAddress.visible = true
etc..
on the save button
sqlStatement = "UPDATE StuTable SET Name = '" & lblStuName.Text & "', Address = '" & lblAddress.Text
My code seems very repetitive in many parts, I was looking for a better coding style to do this can anyone suggest a better way to do it? Is my idea sound right way to do this or can anyone suggest a better way it can be implemented?
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Feb 24, 2011
Let's say I have a rolegroup as follows:
<asp:LoginView ID="lvDoSomeStuff" runat="server">
<RoleGroups>
<asp:RoleGroup Roles="RoleOne,RoleTwo">
<ContentTemplate>
...
</ContentTemplate>
</asp:RoleGroup>
</RoleGroups>
</asp:LoginView>
Is there a way I can make it so that a user must meet RoleOne and RoleTwo to satisfy the RoleGroup? By default, if a user is in either of the two roles, they will be granted access. I know I can do this via the code-behind, but I'd prefer to be able to wrap some content template with this markup instead of having to wrap it in a panel and hide the panel programmatically.
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May 20, 2010
I have a gridview that is bound to a SQL datasource and is filtered via FilterExpression,
the FilterExpressoin is using Contro Parameters in a for of textboxes.
I want a certain button to become visible (btnInsert.Visible=true) when the filterExpression returns no results.
what event should I use? what is the code for that?
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Oct 12, 2010
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Mar 11, 2011
I am currently writing a user management application which administers users in a single aspnetdb instance. This single instance contains multiple "applications" which all have roles assigned against the individual applications.
As each user can be a member of multiple applications I use Roles.ApplicationName to cycle through each configured application and then determine which roles they are a member of. After checking each application I set the Roles.ApplicationName back to the original application which is the management application.
The problem I am having is when multiple users eachview an individual application and a request for Roles.GetAllRoles() is made. Most of the time the roles that come back are for the intended application but sometimes the wrong application's roles come back due to other requests cycling over the Roles.ApplicationName per application.
I've since read that Roles.ApplicationName is not threadsafe and therefore should not be used in a web application but I would prefer to have a solution to this rather than having to rewrite the role model in the application.
Also, The aspnetdb applications are created via this administration system and therefore I cannot create multiple RoleProviders, one per application.
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Feb 23, 2010
I would like to raise error by myself and use reqularexpressionvalidator to show it's text. (My idea is to reuse this control.) I don't remember what property should I use, and what to assign to show the message from control. How to raise error for this control from code?
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Jan 8, 2010
i have this code -
<td id="td_h1" runat="server" style="background-image:url(images/img_new.jpg);vertical-align:top">
<div id="title_1" runat="server" class="caption" >This is New</div>
</td>
here's the problem -this is the code from the .master.aspx page. Some file access this master page from different folders, and some files from root. And the img_new is visible only from root files or files in folder. how do i make that image visible from everywhere?
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Feb 4, 2010
I know the back button always presents a problem, but this one doesn't make any sense.
I have a simple details view and a button on a page. The button sends the user to the homepage. I am trying to prevent the user from being able to use the detailsview if they click Back in their browser.
This is the button click event
[code]....
When the button is clicked...oddly the user is sent to the homepage then when they click the browser back button they are sent to previous page with the detailsview still visiible.
I know I am missing something, can someone fill me in?
Why is the detailsview still visible?
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Jan 11, 2010
How do I capture other events in an asp.net textbox on a webpage in more of a way in which a windows app does? For example, if I want to handle when someone just presses a key (keydown) on a textbox in a webpage?
The functionality that we want to create breaks down like this:
We want to create a "smart" search box at the top of our page. When the user starts typing, a little panel or some element should become visible and it will have some check boxes on it. They can search for one or many different types of searches: First Name, Last Name, Business Name, ZIP, Customer Number, and Contact Info. As they begin typing their search, we need it to execute some code that attempts to figure out exactly what they are searching. So if it can tell they are typing in alphabetic characters and not numbers, then we know to NOT check the Customer Number box, but we will want to check the First Name, Last Name, and Business Name boxes. If they start typing a number, we know that we can check the Customer Number box and leave the First Name and Last Name, etc boxes unchecked. If they type a number that is 5 digits, then we know to check the ZIP and Customer Numbers both. Any other length number characters and the ZIP will be unchecked. And any other rules like these that we might want to implement in the future. The idea here is we will almost always be able to tell what someone is searching, but the user can always check any box that they want to search for if they so choose. For example, if a business is named "123 Plumbing Company" and they just want to search the Business Name field for a number, they can over ride it and do that. Otherwise, they just can blindly type their search and hit enter and the program will usually know what kind of search they are trying to do.
I come from a strong windows app development background and have just recently tried to do some web development professionally. A quick few sentences on what philosophy I am missing out on as far as a more robust and "Windows App-like" webpage would be appreciated if anyone wants to coach me on that area and point me in the right direction!
Also, in my example we are using master pages. So if you can imagine a typical master page that has a logo top left and a search box and button top right, then you can picture what we have. Its simple looking. But with the content page being a separate aspx page, we are having trouble referencing it after a search is performed anyway. So what I mean by all this is The masterpage.master has a search textbox. They type something, hit enter. We then want a gridview that is on our default.aspx page to update with the results of the event that was fired from the masterpage.master.
My windows app background tells me to just point to it like I would from two different forms. Like if I had a form1 with a search box on it and I wanted it to show up the results on form2, I would just say Form2.Show: Form2.GridView = whatever.
Of course, with my confusion of what the scope of these asp.net pages is, I am having a difficult time just visualizing everything and how they are inter-related.
So I guess to recap here:
1) How do I tap into more events with textboxes or any other asp.net control. Is the answer AJAX? If so, can you elaborate just a little bit?
2) How would I use the keypress or keydown type of event to make a panel or some kind of content holder to become visible when the textbox gets focus from the cursor and go back to being invisible if it loses focus.
3) What about the scope in which asp.net pages behave?
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May 7, 2010
i have a panel(visible false) in a page and a user control. i have a button in a user control when i click that user control button then i need to make the panel visible in the page... (panel which is not in the user control)...
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Aug 31, 2010
I use DropDownExtenders everywhere in my project, but it bothers me that it's not visible all the time. It looks like an usual TextBox :-(
<script
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Feb 16, 2010
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Oct 14, 2010
I have a Panel with property, Visible set to False
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Jan 18, 2011
I'd like to be able to have the .NET AJAX CalendarExtender show on Load without having to click in a TextBox. If I can simulate a TextBox being clicked so the CalendarExtender will show I'll take that too.
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May 13, 2012
I have few controls which r validated for blank on a page having 5 buttons
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EnableClientScript="true" ShowMessageBox="true" ShowSummary="false" DisplayMode="BulletList"
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Feb 26, 2010
I have a project that uses a CSSHandler with images and css style sheets in the project root directory in their own folders (img, styles, App_themes). I also have a sub application that comes with a MasterPage. The sub application is located in a separate folder in the root directory with all its images, css, and pages. Functionally the sub application works, but the formatting is lost. The images and colors are not displayed. How can I make the sub application's css visible to its pages? It has probably something to do with the way the CSS handler delivers themes and css style sheets?
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Jun 7, 2010
how can i make using javascript a table row visible or invisible when checkbox is checked? also i need table row runat="server" so when postback page it will not loose table row state.
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Jul 29, 2010
I've successfully used the xmlhttp object to redirect (xmlHttp.open) user to another page but I have the following issue ..I have a classic ASP application that has some very antiquated "admininstration" functionality built in that loops through a SQL table with NT Accounts and allows the link to only be visible to users with NT account in the table. We have since moved on to manage permission to our .net apps using an object that looks for your NT account in an Active Directory Group. So, I would like to use the .net object to return True if NT account is a member of the group and then display the link (which is in the classic ASP page) if the .net object returned true.I don't know if that can be done .. I just know I'm able to return the TRUE value using the xmlHTTP ajax object but I only want to set visibility of a link rather than xmlHttp.open to redirect to another page.
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Nov 30, 2010
I placed an invisible label inside a multiview control. I have a button in which its codebehind does the following:a- Show a particular viewb- Make the label visible
After clicking on the button, the specified view is shown but the label stays invisible.
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Mar 18, 2010
I have a tab container with two tabs. In one of the tab panels, I have a button. I want by pressing the button to make a label in master page visible:
[Code]....
The event fires, the event handler is executed, but the lable doesn't become visible. If I place the button outside of the tab container, it works.
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Feb 22, 2010
Getting familiar with ajax tabs...watched Joe's video. Am building simple wizard with first tab visible, others invisible until "next" is clicked. I know I need an onclientclick event but am very elementary with Javascript and .Net doesn't prompt javascript.
[Code]....
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Nov 25, 2010
I am developing the asp.net mvc application . my one of forms requirement is that:
It has dropdown filling up with let say A,B,C values. If selected A then on UI there should be 2 text boxes should be visible and other should be invisible , if selected B, then must be add another 2 text boxes , i this way there should be 4 text boxes. same for selection of C.
I able to get the selected value by
[code]....
What I have to do. I tried hide() show(), but i think it is not working for me.
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