1. accol

    Resolved Can't figure out why DataGridView isn't showing all the records inside table from SQL Server database on _Load()

    We are making a form where a user can log in and in turn upload listings for cars to sell, however, the data grid view for the listings isn't showing every entry even though it is in the database when it is being first loaded. I also notice too that updating the data grid view and refreshing it...
  2. R

    Create ADO.Net Entity Model On Mac

    I am using .Net 6 and Framework 4.8 to build an app with Visual Studio but I can't seem to create the Ado .Net Entity Model it is not listed when I try to create a new class. Is there a simple way to create it on mac?
  3. Ouma

    I can't access my c# application in another pc

    I need your help PLEASE . I developed a desktop application ( c# ; .NETFramework 4.7.2 ) with Visual studio2019 & SqlServer2017 ; and I tried to deploy it but it doesn't work in another laptop . I get the error message : ************* Débogage JIT ************** Pour activer le débogage...
  4. P

    SSIS Job failing when accessing DB connection parameter

    I have a SSIS package that is trying to load the information from a csv file into a SQL Server table. The DB Connection is defined as an ADO.NET connection and I have parameterized the connection string. See the screenshots below. Below is the code snippet that I am using to establish...
  5. Sajo

    Problem with configuration file

    I want to create a connection to the server. The base is called NORTHWND. I wanted to create a connection using a configuration file. I created a configuration file. I want to get information about the version of the server I am using through the console application. However when I run the code...
  6. Zeus


    I'm new to winform. I built a webapp using ASP IDENTITY for USER registration. But now i have to use Credentials created by ASP IDENTITY to login in already existing window app(ADO.NET is used). How can i login in winform ???
  7. A

    Question What is wrong on function ExecuteNonQuery to work as Best Practise ?

    I work on c# app I need to make function make insert data or update or delete dynamically so that I do function below for insert or update or delete but I don't know what must added or remove from function below to make function work as best practice . public static async Task<int>...
  8. A

    Answered How to compress multi Excel files to zip Archive ?

    I working on c# 5 app create more than excel files xlsx but I face Issue I cannot compress these files to one file as zip archive . meaning if result of code below of three files as abc.xlsx and autod.xlsx and mog.xlsx as examples then create all theses file to one file as zip archive with...
  9. A

    Question How to create excel sheet with multiple sheet name based on modules ?

    I work on c# desktop app I cannot export data to excel sheet with multiple tab meaning multi sheet based on data exist on data table module field I use open XML library Data table data as below : Divide Output Excel File To Multi Tab based On Module PartId Company Files Tab Module 1222...
  10. A

    Specific cast is not valid in linq query when compare two tables

    Problem Error display in linq query "specific cast is not valid" at System.Data.DataRowExtensions.UnboxT`1.ValueField(Object value) at System.Data.DataRowExtensions.Field[T](DataRow row, String columnName) LinqQuery give error var query1 = (from x in table1.AsEnumerable()...
  11. 1

    Question Dynamically Insert single record into MS access from SQL server

    Hi ALL, I have two databases(SQlserver and MS Access) with same schemas (same tables). SQL server database has data but Access has no data (blank database). My goal : when user enters a ClientId and click insert button then I need to retrive that single record from all tables in sql server...
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