Web Forms :: Generate Some Dropdownlists Through Code

May 31, 2010

I'm trying to generate some dropdownlists trough code. but i can't seem to access them.


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How To Generate Multiple DropDownLists

Aug 5, 2010

I have to generate multiple dropdownlists on clientclick. That is new dropdownlists on every client click.
I placed a button and wrote code on click event. protected void addReq1_Click(object sender, ImageClickEventArgs e)

DropDownList oDdl = new DropDownList();
oDdl.ID = "ddlReq" + (++i).ToString();
oDdl.DataSourceID = "DSUsers";
oDdl.DataTextField = "UName";
oDdl.DataValueField = "UName";
HtmlTableCell tc0 = new HtmlTableCell();
HtmlTableCell tc1 = new HtmlTableCell();
HtmlTableCell tc2 = new HtmlTableCell();
HtmlTableCell tc3 = new HtmlTableCell();
HtmlTableRow tr = new HtmlTableRow();

Here "DSUsers" is SqlDataSource. "i" is static variable. "serarch2" is html table with runat server tag The problem is only one control is getting rendred, after that on every additional click same DropDownList is getting replaced. No new DropDownList is added to the page.

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Web Forms :: Changing Index On Dropdownlists Childs Don“t Cause Other Dropdownlists To Reload?

Jan 30, 2011

i have the following code:


3 nested dropdownlists SELECTing from DB. So i select the brand, then i select the model and then i select the product and click on SEARCH button.

But when i select thebrand, and then the model, and if i want to change the brand, it does not reset the second and third dropdownlists.

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Web Forms :: How To Generate HTML Code By Commands From The Code Behind Page

Dec 30, 2010

how to generate HTML code from the code behind?

I would like to build a form that generate an html code inside a for loop.

I will let the user enter the photo name and No. of photos

Then I will generate an HTML code like this:

<a href="http://www.mzinj.org/images/gallery/Photo%20(1).jpg" target="_blank"> <img src="http://www.mzinj.org/images/gallery/Photo%20(1).jpg" alt="" width="345" height="247" /> </a> <br /> <a href="http://www.mzinj.org/images/gallery/Photo%20(2).jpg" target="_blank">
<img src="http://www.mzinj.org/images/gallery/Photo%20(2).jpg" alt="" width="345" height="247" /> </a> <br /> <a href="http://www.mzinj.org/images/gallery/Photo%20(3).jpg" target="_blank"> <img src="http://www.mzinj.org/images/gallery/Photo%20(3).jpg" alt=""
width="345" height="247" /> </a> <br />

depending on the No. of the photos the code will be duplicated in the loop

Then I will display the result of the loop in label or in a textarea to let the user copy it any where

The problem is that while compiling my code it considers the HTML code as a part of the behind file and gives errors on the single quote, the double quote and on the parentheses

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Web Forms :: How To Generate QR Code

May 7, 2015

is there any possibility to generate qr code in asp.net. QR code must have employeeid as base from sql server database.

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Web Forms :: Want To Dynamically Generate Asp Controls From Code Behind

Mar 29, 2010

On my form I want to display n number of rows of asp textboxes where n is determined by the number of records in the corresponding database table. I can dynamically generate html controls and get the values via request.form but I can't figure out how to do the same with asp controls.

The output from the following code, displays the text boxes from the "input type=text" statement, but displays nothing for the "asp:textbox" statement. I would prefer to use asp (or third party controls) so would greatly appreciate help on how to render non-html controls dynamically from my code behind.

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
Dim ncount As Integer = 0
Dim strOutput As String = "" [code]....

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Web Forms :: Generate Varification Code Dynamically?

Jan 14, 2011

Now i m creating one regestration modulein this for verification purpose i want to send SMS on user mobile so how to generate Automatic varification code at every time when user completed their regestration form.i have complete module for sending SMS.So, i want your help for genetare automatic code

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Web Forms :: OnClientClick - How To Generate Neat HTML / JavaScript Code

Jan 28, 2011

I have a page with a control like this:

<asp:Button ID="test" runat="server" Text="test" OnClientClick="pageTracker._trackPageview('/bezichtigingsform/deeplink')" />
The OnClientClick-attribute is rendered as:

When I try to escape the single-quote like this "'" or with a double backslash preceeding the single quote, this does not work. I also tried it like this:

string str = "pageTracker._trackPageview('/bezichtigingsform/deeplink'";
test.Attributes.Add("onclick", str.Replace("'", "\'"));

and of-course I tried all possible escaping-combinations in the above too.

It seems like asp.net just encodes the value, but how can I stop this? I want to be able to generate neat html/javascript-code...

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Forms Data Controls :: How To Generate Grid View Code Behind Using C#

Nov 1, 2010


My output is all work in C# code behind

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Web Forms :: Automatically Generate Auto Incremented Code From Database In TextBox

Oct 25, 2012

How to generate a employee code in textbox automatically while in run timeĀ  in web application.......when i run the page it will check the employee code in the database and it automatically shows the next value in the textbox how?Ā Ā 

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DropDownLists Affecting Other DropDownLists?

Jun 25, 2010

I'm wondering how I can make one dropdownlist affect another one.. For example...You select your country from a drop down list of countries. On selecting it, another dropdown list becomes visible and displays the states of your country. I'm taking this data from a database, so it merely has to link to a different table for each country selected.

Also, I want the option of being able to add a 'state' to the database from the webform by typing whatever its called into the combobox so that future users will see that option.

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How To Generate Code

Mar 23, 2010

I have an .aspx template to copy from and I need to generate code or to be able to edit the new file – as part of the back office...

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Can Via Code Generate A PDF Document

Mar 11, 2010

is there any way via code to generate a PDF document?

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Javascript - How To Generate JS From The C#.NET Code

Nov 4, 2010

Some time ago (like 3 or 4 years) I heard about ability to generate JavaScript (client) code based on C#.NET source code. I don't remember details, probably that was for validation purposes only.

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MVC - Generate An ActionLink From Code Behind?

Jan 4, 2010

I have a number of permissions, and based on a set of conditions these permission determine if a user can see certain features. I have written a helper function for this as the logic in the view became quite extensive.

Essentially I'm looking for a function the same as Html.ActionLink that I can access from a class file (Ideally if I can access the Helper that would be great) So I can do somthing like so,

public static string GetAdminLinks()

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SQL Server :: How To Generate A Unique Code

Oct 19, 2010

I have to generate a unique customer code like this-

'cbd'+first letter of customer name+incrementer


cbd is hard coded means reamain fixed in each customer code first letter of cust_name is like

Bell Companies- B

and incrementer must be four digit number like 0001,0002,0888 etc.

Here incrementer

should start with 0001 for each customer means for EX-


then it should increment for customers having name started with B


then it should increment for customers having name started with T

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Is There A Way To Manually Re-generate That Code Gen File

Apr 29, 2010

I'm using Visual Studio 2008. I've added a control on a page but can't reference it in code-behind file. When I looked at the Code-Gen file, I didn't find my new control. It looks like Visual Studio didn't update Code Gen file to include my control. Is there a way to manually re-generate that Code Gen file?

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Generate A Random Code Using C# With A Specified Condition?

Feb 19, 2011

I need to generate a random code using c#.

This code must be fulfill below condition.....

create approximately 8 random characters containing ( A to Z , and 1 to 0 only) .

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C# - Which Tool Is More Usefull For Code Generate

Mar 19, 2010

i want to generate code for .net n-tier application.or 3-tier application.so which tool is more useful.

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Create Code To Generate DB From Domain Model

Mar 27, 2011

Out of good design practice and organization, in which project should a local development SQL database be in a web based application? I'm just starting my assignment so I currently have 'CompanyName.Web.UI' and 'CompanyName.Domain' projects setup. Im using LinqToSql and creating my database from POCOS, meaning I'll have to create some code to generate the DB from my domain model. I.e.

DataContext dc = new DataContext(connString);

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How To Generate Code-behind File For Each View In The Project

Jan 11, 2011

In ASP.NET MVC Application I would like to document my Views, so that I can generate a documentation (using NDoc). Since Views do not have a code behind the documentation should go somewhere into the View directly. I also do not want to generate code-behind file for each View in the project

Is there a tool/workflow/configuration that would allow me to extract inline documentation comments from aspx files (Views)


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Any Code To Generate Property Automatically From Datatable

Dec 28, 2010

s there any code to generate property automatically from datatable?I mean there is a table A with column id,name,address.Run the code and this will generate a class automatically to set and get property.Property of that class will be the column name of the datable A.

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Any Code To Generate Three Or Ntier Architectue Automatically

Dec 31, 2010

Is there any code to generate three or N tier architectue automatically?

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Add Web Reference Does Not Generate Asynchronous Proxy Code?

Jan 28, 2010

I am trying to add a web reference to an ASP.NET 2.0 application in Visual Studio 2008.However, the generated proxy classes do not include BeginXXXX and EndXXXX methods.Hcan I get these to be generated? Do I need to manually use wsdl.exe?(Incidentally in ASP.NET 3.5 apps, there is an option in the Add Service Reference box which lets me specify that Async methods should be generated. However, I am limited to ASP.NET 2.0 implementation).

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ADO.NET :: Can't Get Dataclasses1datacontext To Generate Code Behind In .net 4.0 And Vwd 2010 Express?

Sep 20, 2010

I am using a web application project in visual web developer express 2010 on Windows 7 x64 targeting .net 4.0. I've linq to sql quite a bit with visual studio 2008 and it worked with no issues. I added a dbml file to the root of my web site and dragged over my data model. When I run my project, I get the following error:

Type 'DataClasses1DataContext' is not defined. The line of code it is having a problem on is Dim db As DataClasses1DataContext = New DataClasses1DataContext()

However, intellisense is recognizing dataclasses1datacontext as a valid class. If I view the code on the dbml file, it has essentially an empty class definition. It appears it didn't actually generate any code relating to my data model. I tried adding system.data.linq, etc to my web.config file but it didn't make a difference. I always get the error above. Again, I'm using a web application project which appears to function a little differnetly than a web site project. Any ideas why I can't get this basic functionality that was working in 2008 to work in 2010?

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