Asp.net - Programmatically Get The DataNavigateUrlFields Property From A HyperLinkField Control
Mar 1, 2012
In my ASP.NET Web Forms I would like to get the DataNavigateUrlFields from the HyperLinkField control.
In order to get the control I use the following code in the RowDataBound event:
If e.Row.Cells(n).Controls(0).GetType().ToString() = "System.Web.UI.WebControls.HyperLink" Then
Dim linkDownload As HyperLink = DirectCast(e.Row.Cells(n).Controls(0), HyperLink)
[Code]....
Is there any way to get the DataNavigateUrlFields property? In case there is not, is there any function to extract the downloadGuid value from HyperLink.NavigateUrl (in short treating the NavigateUrl as a QueryString)?
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Oct 12, 2011
I have a vb.net asp application where I'm loading a control (from another control on a page). I want to set a variable between the two controls when it loads. This is where I load the control:
[Code]...
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Jan 24, 2007
I have included a Date and Time Picker Control in oen of my MS Access Forms and want to set its value on the form open event. However, when I try to set the Value property I get the following error message :
[Code]...
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May 7, 2012
i have a gridview with something like 10 columns...but i only show 4 of them.... in wich reads from a sqldatasource and fill the gridview, put some delete and edit commands..then i add column which is a hyperlinkfield and then when i create a new aspx and name him UserProfile...and add some labels.The main objective is find a way to use the data from the gridview and fill the userProfile in a new page...this is the admin.ascx that have the gridview....
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False" DataSourceID="MyDataSource1" Height="24px" Width="871px" AllowSorting="True" DataKeyNames="id_candidato" CellPadding="4" EnableTheming="True" ForeColor="#7FC514" GridLines="None" BackColor="#99FF66" BorderColor="#003300" BorderStyle="Ridge"
[code]....
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Apr 18, 2012
Am trying to add to the navigation url in a hyperlink field.
I have 5 columns on my gridview, the last being
<asp:HyperLinkField DataNavigateUrlFields="vID"
DataNavigateUrlFormatString="Page2.aspx?field={0}" HeaderText="send"
Text="send"></asp:HyperLinkField>
[Code].....
I had it working yesterday, but must have accidentally deleted the code, and I cant find where am going wrong here, I get an error "Specified argument was out of the range of valid values. Parameter name: index"
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Apr 20, 2011
I have a datagridview that is populated by a datatable and I want to be able to pass the value of a cell to the next page when a user clicks on that cell. The value of that cell is then passed to a sql stored procedure.
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Feb 27, 2009
I have gridview that I am using paging on. I want to pass along the current page in a asp:Hyperlink so I can send them back to the current page when they are done viewing the details of a record. Is this possible? If it is how can I do this?
<asp:GridView ID="grdObitList" runat="server" allowpaging="true"
PageSize="10" AutoGenerateColumns="false" CssClass="grdClass"
BorderStyle="None" GridLines="None" CellSpacing="2" >
[Code]....
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Nov 4, 2011
I would like to be able to change a single property for every form by code instead of doing it manually. I'm a little new to .NET development, and I thought I was on the right track with the System.Reflection class, but I still can't put all the pieces together. Here is a basic outline of what I'm thinking (pseudocode):
[Code]...
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Nov 12, 2009
I am programatically creating instance of usercontrol as shown below
[code]...
I have two public properties in my usercontorl like clerkName and RespName. How can I set those values in the above code. Intellisense is not showing ClerkName and respName Properties.
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Jul 28, 2009
This is my first post on this forum, so please excuse me if I'm posting wrong. Anyway, I've been having an issue that I've never seen before and is driving me nut, I have a windows form on which I have placed many textboxes that display information from a MS SQL database. The user can then change these values and hit a "save" button which writes the changes to the database. I also have certain textboxes that with the "on leave" event (after a user enters a possible new value) trigger a method that recalculates some of the other fields based on the new information. Hopefully that all makes sense.
So the problem is, when I run through this "recalc" method the first time around, it doesn't update those textboxes that it's supposed to. However, when I put a breakpoint in and debug through it, the debugger shows it putting in the correct values into the textboxes. It's just as soon as the method is done, it puts them back to blank, or whatever they were before
'Rebind stuff here
lblCabinets.Text = curMfg.ToString("c")
txtCabinets.Text = curMfg.ToString("c")
[code].....
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May 28, 2009
Here's my VB code.
[Code]....
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Dec 11, 2009
I would like to be able to set Control visual properties such as color, boarder, flat style, etc. on the base class of the control so that as I add new instances of the control, each instance inherits the visual properties of the base. I have tried using Application Settings but it appears as though I need to reference an application setting manually each time I add the control to a form. This is a Windows Form question.
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Feb 16, 2011
I'm trying to make a program with transparent labels over pictureboxes and when I set the label Parent to the PictureBox the position of the label changes.
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Jun 17, 2010
i frequently have troubles with the dock property. it seems that either the order of creation or adding to the parent control determines whether or not a control's dock property supersedes another's. e.g. a control with the dockstyle fill will overlap with another docked control on the same parent. does anyone know what the rules are to determine how docking will behave; particularly in dynamically created GUIs?
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Jun 6, 2012
Is there a way to bind the text property of a control to an expression? I have a user control that I add to a FlowLayoutPanel. You can see I have 4 controls in the FlowLayoutPanel below. The first control is a LinkLabel and the other three are my user controls which are numbered 1, 2, & 3. I'd like to bind the label that shows the 1, 2, or 3 to the user controls index within the FlowLayoutPanel.
If I happen to remove the 2nd user control I want the 3rd user control to now display 2. I could use the FlowLayoutPanel ControlAdded or ControlRemoved events, but wanted to see if I could do some binding first.
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Dec 30, 2011
If I need access to the value of a user control's property BEFORE PreRender, would I need to base the custom control off of one of the preexisting data controls (repeater, listview,etc.)?One of my user controls features a gridview control that is configured based on the user control's properties on which it resides. Several of the key properties alter the SQL Statement for the underlying recordsource. I'm now in a situation where the property that sets the WHERE statement for the SQL Statement needs to tied to a value in the user control's parent FormView. Think of the formview as displaying a customer detail record. The user control takes the customer's account number and then displays data from a related table such as Customer Contact Names. Since the gridview is created before the control's prerender event, working within the prerender event doesn't seem efficient.
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Dec 14, 2011
I'm looking for adding a control on top of others controls during runtime.
I read that the only way of playing with the Z-Order of controls is by playing with the order of the controls inside the Form.Controls Collection. I find this solution very weird and weak and I'm looking for an alternative.
Does anyone has an idea? I just want to make some kind of modal dialog that'll show below another user control to notice the user that the user control is currently doing something.
Edit: I tried using Control.BringToFront() but it doesn't work at all.
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Jul 27, 2010
I have attached the 2 docs here which explains wht prob i m facibng in my proj its just piece of code out of my big proj.
How to change a particulr value of one text box control of one particular form from another form?
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Aug 23, 2011
This was explained in a recent thread - but I can't find it again :-( Why won't the following work? I am trying to set the bounds on 9 buttons - Button11 to Button19. All these buttons are already added in design time. qli() is a rectangle array.
[Code]...
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Jun 8, 2011
i want write code for label control into my application. i wrote the code below, but was not getting the labels when i run the program.
GroupBox.Controls.Clear()
Dim lbl1 As Label = New Label()
lbl1.AutoSize = True
[Code]....
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Feb 16, 2009
I am adding a TextBox to my asp.net page programatically via a PlaceHolder Control. However when I set the TextMode value to MultiLine I get this error:System.FormatException: Input string was not in a correct format.
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Sep 7, 2011
I have never created a control programmatically. I can get this far:
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Sep 27, 2010
I have a blank/unbound GridView control on my form and I am binding it in the code behind like this:[code]Running this code populates my GridView control with all the columns and data that _dataSet has. I want to display only some of the columns, change the column names, and rearrange some of these columns too (i want the last column from the actual sql database table to be displayed first in my GridView).
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May 22, 2012
I am programically creating a 2 buttons at runtime....I'm assigning the first button to open an image from file and display the image into the picture box. got that part.
The second button is where I am getting hung up. I want to assign the second button to delete the picture box from the form when I click on it but whenever I go to put in the code it throws an error at run time.
Anyone know of how I should code this to dispose of the picturebox when I click on my button?
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Jun 5, 2012
How to add a control like picturebox programatically and Allow user to move it with mouse? on google but cant find anything. Thats why I am here. In my application user creates a picturebox and a label at runtime by selecting a file from drag drop. User can create as many files he wants. But the problem is that I dont know that how to move both picturebox and label to change their location in a flowlayoutpanel which contains these controls with mouse. I know that how to add a control like picturebox programatically but dont know how to move it. I add picturebox by:
dim picturebox as new picturebox
flowlayoutpanel1.controls.add(picturebox)
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Feb 13, 2012
It is a requirement that all .net Controls are created on the main thread, at least this is necessary if the intent is to integrate the control in with the interface which is usually the case. Additionally to modify properties on the control one must invoke the method from the control's thread using its own invoke method.
Is there a way to look at a control and identify its owning thread directly?
Additionally or conversely, is it possible to detect whether the current thread is the "Main thread"? Is there anything special about the thread that Visual Studio identifies as the main thread that can be seen at runtime, or is it simply that this is the first thread that VS executes to initialise debugging?
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Apr 8, 2011
how to Programmatically use the " Photo Print Wizard" to print sets of pictures and set properties like picture style, printer name, number of copies, etc, without displaying the " Photo Print Wizard" interface
Dim dialog As Object = CreateObject("WIA.CommonDialog")
Dim docnam As String = ""
Dim i As Integer = 0[code]....
what the above code block does is to open the " Photo Print Wizard" with the list of all the selected pictures......., but I can't set the " Photo Print Wizard" properties "Programmatically
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May 4, 2012
The backcolor of a default DateTimePicker control seems to be Color.White, but can this change based on a users theme colours and how do I find out what it is currently set to?(There is no backcolour property and DateTimePicker.DefaultBackColor returns SystemColors.Control which is not actually correct)I guess that if someone can confirm that this can't change then I am safe to hard code it? The basis of this question was not actually a typo, it was the fact that BackColor does not show up in my DateTimePicker control intellisense.
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Jan 30, 2010
I have a MS Access database set up, with a Period field that has either values 1, 2, 3, 4 or 5. I retrieve these values using a database connection and I would like to reference a particular control based on what period was grabbed from the database.
Here's example code, pseudo of course.
TextBox(dr(3)).Text = dr(0)
dr(3) contains the period, and dr(0) contains the content I would like to put into the text box. I have these text boxes on my form: TextBox1, TextBox2, TextBox3, TextBox4 and TextBox5.
So if dr(3) contained 2 then I would want to reference TextBox2.
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Apr 10, 2011
I do a lot of programming in VS 2010 on my Windows XP Pro PC. Recently I tried testing my software on a Windows 7 Home PC. For some reason, all of the controls on my forms are slightly misplaced. I also get a bunch of unhandled exceptions I don't get on my pc. For example, one exception said it couldn't access a registry key. Another said it couldn't find the part of a path (it didnt specify which path). What's up? Why is it doing this? My Win XP PC tricks me into thinking my apps are bug free. Guess not.
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