Looking For Dynamic Code From The Database?
Jul 15, 2010
We currently allow users to store HTML in the database. Would like to allow them to add scriptlets to their HTML email templates that would be executed at run time. Example:
[Code]....
What I want to have happen is to have the scriptlet execute before being rendered to the output stream.I found an article from Rick Strahl that is about 8 years old:
http://www.west-wind.com/presentations/dynamicCode/DynamicCode.htm. It looks like the code at the very bottom is exactly what I want, but when I tried it in my .Net 4 app, it didn't work. I get the error:
2 Errors:Line: 0 - Metadata file 'RemoteLoader.dll' could not be found
Line: 0 - Metadata file 'wwScripting.dll' could not be found
I presume this is from the Generated source code. Not sure how I tell the Generated source code where those 2 DLLs are.
Is there a different/better way of doing this these days?
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Mar 14, 2011
I'm using CRv9 and want to make use of Google Charts API for generating QR code on fly (in asp .net) and display it in the Crystal Report in a PDF format.I have spent the whole day looking for solution with no luck. The way we output the report is we use .rpt file, feed it with data and use Response.OutputStream to feed to browser. No CrystalReportViewer control hence CSS solution is not an option.
Now, I got as far as added an OLE Object from file with Link, which I would be overwriting every time the new QR code is generated. I apreciate that CR requires it to be a bitmap, so I was planning to download and convert the google's generated PNG file to BMP, that's not an issue. The problem is that Image in the report does not update after I replace the file. Meaning, it displays the original image, which was added as an OLE Object.
If I open this report in CR designer, the image gets refresh/updated and I'd have to save changes to the report to see this new image next time I generate a PDF file.The question is really how to achieve a dynamic image in Crystal Reports 9? Remember, Picture object did not have a Graphic Location property until vXI, so I cannot use that.
Manipulations with DataSets is not an option either as we're not giving report a datasource, instead we just map the fields with FormulaFieldDefinitions.
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Aug 28, 2010
How i can create a new view on code (on runtime) if this view dont exits?
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Sep 21, 2010
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Oct 12, 2010
I am creating some dynamic textboxes through javascript, when postback is happening i am loosing the controls. I can't use Ajax instead of postback and i can't create dynamic controls from code behind.
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Mar 4, 2010
I am going to set a couple of span controls to some text. The span controls have ids like,
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Jun 8, 2010
I've got an ASP.net file, and I'm trying to include dynamic code which was easy in classic ASP.
Here is what I have tried so far:
<%@ Register TagPrefix="TagPre" TagName="header" Src="alg/classes.aspx"%>
and
<!--#include file="alg/classes.aspx"-->
But neither of these seem to work. The content of classes.aspx is:
<script runat="server">
' Square class
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Public sqCols As Integer 'Number of columns this square has
Public sqArray(,) As Integer 'The square array
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sqRows = canvRows
sqCols = canvCols
End Sub
End Class
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Aug 3, 2010
I have several web sequential pages which will modify a record and its child records in the database, called a "project". Such a project is currently passed between pages using its database ID in the URL parameters.
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Is it faster (alternatively, more maintainable or more easily understood) to hit the database each time I need to query the same project (and its tasks), or should I query the database once (either once for each page or once for all pages and save to Session) and check the saved object rather than the database?
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Sep 9, 2010
is it possible to make a Linq query dynamic in the following pseduo code (to show what I'm trying to do)
[Code]....
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Mar 17, 2010
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Mar 27, 2011
im wondering if its possible to add a asp button to the code below, the code below adds an image and text from my database to a dynamic div on my asp page:
using System.Data.Odbc;
using System.IO;
public partial class UserProfileWall : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
[Code]....
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Jan 1, 2011
i need to dynamically add HTML codes that contains some asp.net controls.
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Jan 21, 2011
in asp.net how do i create a dynamic image control from code behind?
Dim image1 As Image
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Mar 29, 2010
Scenario: I have a form with 3 input fields (text1, text2, text3). Is there a method to capture these fields in the aspx file of a second webform? I think you have to use someting like <%= %> but I'm not sure.Idon't want to use the code behind file because the number of input fields is dynamic
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Jan 3, 2010
I've a few pages content on a database with a large content.
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About performance, is there better using an database or other solution?
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Nov 19, 2010
How can I convert the following aspx code into code behind code?
[Code]....
I want the following code to be craeated on the fly (runtime). I will only add the root level grid to aspx and then in page load I want to add subsequent grids.I know we will use GridViewTemplate to add the grid but not sure how to structure it. The steps that I follow:
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Sep 13, 2010
Im just wondering how you go about creating dynamic properties on entities that generated from a database generated model.For example I have a UserInformation table. In that table it has basic information on the user (well derr) like user name, address details etc etc. I want to add a readonly property that concatenates the user's Name, Address details and Phone Number into one string that I can output to a view. Any ideas on how i would go about creating this dynamic property. This is just a simple example, i am wanting to do some more complex calculating and concatenating.
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May 5, 2010
Does anyone have experience of either creating stylesheets/themes on the fly from a database or else access the style properties of say a label control and changing these based on database values?
Im basically trying to give my users the ability to modify any one part of the design of the website while stroing these choices in a database - for example they may like a red heading.
Im happy with the solution I have for the database but was wondering if I should attach these values programatically to each individual element or dynamically produce a complete stylesheet as the page loads.
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Feb 17, 2011
I have already created add/delete rows.. if i click on addRows new rows will be added and when i click DeleteRows the row will be deleted..BUT my question is when new rows are added n the entered data in new rows need to inserted into DAtabase...
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May 26, 2010
I want to develop a dynamic page where the controls are from database . For ex if user A login he should see following controls
Name
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May 7, 2010
Can I have scaffolding for tables from more than one table in a single asp.net dynamic data website?? If so, how do you do it?
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Feb 11, 2010
I'm trying to add an DropDownList to a DetailsView by code, because i'm writing a solution that let's the user select an table and view your records and edit them, some of theese tables, have a foreign key column and the user must have to select some item in the list.
Below is my sample code:
[Code]....
the code above is working correctly, when the user click in the buttons New or Edit , the DetailsView opens correctly, showing the DropDownlist, but when the user click in the buttons update or insert , an error occurs, the viewState cannot be loaded:
Failed to load viewstate. The control tree which viewstate is being loaded must match the control tree used to save viewstate during the previous request. For example, when controls are added dynamically, the controls added during a post must match the type and position of the controls added during the initial request.
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Jan 26, 2010
Or must it be a SQL Server database? If I'm reading the documentation right, as long as I use Entity Framework and not Linq to SQL, I can go against a Sybase data source. But I'm not certain...
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Mar 11, 2010
I just created the checkbox dynamically from database,but i can't access the individual checkbox value.
[Code]....
here i'm getting the checkbox, but can't access the individual checkbox value other than that i need checkbox to be displayed rowwise.
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Mar 8, 2011
I'm fairly new to MVC and have an issue converting something I created using normal ASP.NET to MVC framework.I have a database with one to many relationship between 2 tables. I need to be able to make amendments to the single parent row in the same page as that which will edit the many records. The values to be edited in the table with many rows to be edited are either true or false and will be edited using a checkbox.
To make it a little more complicated the list of checkboxes is actually dynamic and is built from another table.In the normal ASP.NET page, all the controls are placed in a details view and the dynamic list of checkboxes is added to a placeholder on Page_Load. Then I get the list of values that are true and, for each row in the list, use FindControl to find the checkbox with the appropriate ID and set it to flagged.
I've got the MVC page working so far as follows:
I can build the checkboxes I need by passing the list of ID's using the ViewData.
I can also add, and edit the fields that are in the table with the single row that needs to be edited.
What I'm stuck on is:
Populating the appropriate checkboxes with "true" as appropriate
Subsequently saving any updates to the checkboxes when the save button is clicked.
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