asp.net

Hi, I follow this walkthrough to build a Tree from a List in NET (link) and I don't understand this line: IList<Category> topLevelCategories = TreeHelper.ConvertToForest(GetListFromDatabase()); I search on Web if there is a correspondence in VB.NET but I didn't find. If not, how can I...

We have a .NET client, which use SignalR to call Server method, but the parameter seems very big, for such scenario how to fix it? Client code: public async Task FooAsync() { var hubConnection = new HubConnection(...); await hubConnection.Start(); var hubProxy =...

am getting the folowing error Update requires a valid InsertCommand when passed DataRow collection with new rows and i have no idea why it's happening it's happening in else part.!!please need help no idea why it's happening Using ta As New dsUsersTableAdapters.wsm_Contact_UserTableAdapter...

Hi Experts, How can i populate/Insert a value on my textbox. My scenario is when i select a value on my dropdownlist, pass this value on my json parameter and call the data from server side. after successfully calling the query get the desired zipcode and pass it on my textbox. Iam at lost on...

Hi Experts, I have this script to pass a parameters to from my code behind to json and it seems it is not working. Please see my code in my script <script type="text/javascript"> $(document).ready(function () { //var DatafieldText ="Code" //var...

I am upgrading our servers and .net application from windows 2000 to the newly-purchased windows 2012R2 servers. There is one function which works in windows 2000 but doesn?t work in windows 2012R2. I am running an .net 2.0 internal application in windows 2000 and IIS 5.0 using Visual Studio...

Hello, I am facing speed issue and it take much time to load in performance. Please help me to resolve this with your effective solution. Looking forward to your answer. Thank you in advance

I am using a tableadapter to query a database using ODBC. The query is being created by the VS2015 Query Builder. If I make the SQL statement with a variable parameter then the result comes back blank. If I replace the parameter (the question-mark) with a hardcoded parameter then the result...

Barcode Professional 8.0 for ASP.NET just released! GS1 QR Code, Han Xin Code, Artistic Barcodes and more! We're proud to announce the new 8.0 release of Barcode Professional for ASP.NET! This new Version 8.0 brings many new barcode standards including GS1 QR Code, 2D Chinese Han Xin Code, IFA...

I have a list of say 20 items. But for my design I need to ensure there is never more than 5 items per ul. Is there a way I can loop through the list and after every 5, start a new ul? Not sure if this is possible, but if you've got any alternatives let me know. I'd like to add this I'm totally...

my details view is linked to the selected value of a drop down list. it all works fine, but when the details view enters insert mode, one of the things that happen in the code behind is clearing the drop down values. If dvRecipeItem.CurrentMode = DetailsViewMode.Insert Then...

I have knowledge in vb.net but not in asp.net. I have a udp client in vb.net thaat sends messages from computer to computer on the same IP (in school) but i want to send and retrieve it from a web server. I want to know if this is possible to do and if anybody has any tips or tuts. Or if...

hello I am having trouble figuring out a method to compare two values that seem to be the same, but the number of decimal places is affecting the logic and I am not sure how to format the values correctly. One of the values is an entity record field = 100.00000000000000000000 The other value...

I am finding a record in the entity model, by using a DataKeyName that contains the id of the record. I want to be able to save the record in a variable to save all the values in a max column in a data table. This what I have so far: Dim myContext As New OLTPEntities Dim...

Hi, I suspect this has been covered already, but I have been unable to locate an answer that resolves the issue I have so far. Been searching around for a while now and im sure its a simple issue that im just miss-understanding. I am new to ASP.NET forms but am familiar with VBA in excel and...

This is my first post so hope I get it right, and hoping someone can help me The part of my application I am having a problem with is a mail merge function that replaces pre-defined text in a string with data from a SQL Database. This function is used for sending out personalised emails...

Hii guys, I have an DDL that is import values from DB, and when the user select a row in GV it should show the value that is in GV Row but for some reason that i dont know the DDL are showing 1st value by default instead the selected value in GV. GV Code: <asp:HyperLinkField...

In this walkthrough, you'll learn how to print any MS Word document (*.doc; *.docx) from an ASP.NET website to the client printer without displaying a print dialog. You'll be able to print the Word doc to the Default client printer as well as to any other installed printer at the client...

Overview Crystal Reports Viewer in ASP.NET cannot directly print to Chrome browser and this is a big problem for many developers that need to target such user browser. In this walkthrough, you'll learn how to add advanced printing capabilities to the ASP.NET Crystal Reports Viewer control that...

I have a nested gridview that is displaying duplicate data for some reason. When I run the stored procedure, the data is correct. Could it have something to do with me binding the gridview in the rowdatabound event. Here's my code behind ProtectedSub grdTotal_RowDataBound(ByVal sender...