Why use Excel as a Database? Most developers know how to use back ends like Microsoft SQL server, Oracle, Microsoft Access or IBM DB2 as database back ends for their applications. Microsoft Excel in the other h
Excel Add-in to run Native SQL on Automous Database In this introduction, we look at how to set up this add-in for Excel in MS Office 365 on both Windows and macOS. We then run SQL queries on the Autonomous Database and leverage the native Excel capabilities to analyze data. You can...
Look up information stored elsewhere, such as in a spreadsheet, a database, or a text file. That's standard gaming stuff; it's also pretty standard for a business application. We see that some of you are skeptical. Couldn't you learn how to do these things while writing an Excel appli...
The data-binding engine calls this method when it propagates a value from the binding source to the binding target. In my implementation, I simply use the CodeBase of the current assembly and prepend this as the path to the image file name. 複製 public class Im...
First, we will load combo-box choices from SQL Server when the workbook opens, using an Auto_open macro, and dumping it in sheet “ComboData”. Whether the Server is in the cloud or local, there will be no noticeable delay in starting Excel – as long as the database is accessible fr...
SqlConnection cnn = new SqlConnection("server=(local);database=pubs;Integrated Security=SSPI"); //Create a random file name. fileExcel = "t" + nRandom.Next().ToString() + ".xls"; //Set a virtual folder to save the file. //Make...
New Blazor Hybrid templates in .NET 9 give you a single click automatically configured project with .NET MAUI, Blazor, and a razor class library all setup. ASP.NET Community Standup: Building Aspireify.net - June 18, 2024 - Join Jeff Fritz as he shows how he built Aspireify.net with ...
Figure 7: Edit User As you can see the footer navigation bar above, there are three buttons on it. 1. Cancel - to go back to the Users listing, 2. Update to save the user details to the web server and 3. Delete to delete the user details. This screen is resembles the Add User ...
'The input is not a valid Base-64 string' ERROR 'type' does not contain a definition for 'length' 'Word.Application' is not defined "aspnet_compiler.exe" exited with code 1 "Cannot create ActiveX Component" "Exception from HRESULT: 0x800A03EC" Unable to open excel file "Failed to compa...
The ADF Data Visualization pivot table component provides a range of features for end users, such as pivoting, sorting columns, and selection of one or more rows, columns, or cells, and then executing an application defined action on the selection. It also provides a range of presentation feat...