I am trying to create a xunit test for a method that checks for DBNull.Value. I am currently using InlineData to create the test but it is giving an e ...
I am trying to create a xunit test for a method that checks for DBNull.Value. I am currently using InlineData to create the test but it is giving an e ...
I am using C# rdr is defined as The Termination_Date field in the table maybe null. How do I check if it's null and set a date like 01/01/0001 ...
Parameters in Stored Procedure are @classid INT = NULL, @streamid INT = NULL. Now in VB.NET I have declared two variable Dim classid As Int32?, stream ...
Please the solution I have an error "Conversion from type 'DBNull' to type 'String' because the pathhelper column has a null value ...
I'm writing a Powershell script to create an unique contacts in datatable. The steps are as following: I first extracted the data from a CSV and put ...
The way I know it's deffintely DBNull is when I use String.IsNullOrEmpty it errors out with 'Cant convert type DBNull to type String' I'm using an OD ...
I made connection to a SQL Server database with Azure functions and I am trying to make a datatable The problem is that the FixedPrice and ExtraCos ...
I have an DataGridView with custom DataTable (not SQL database). where my coding like this and I use CellEndEdit to change datagrid cell value. ...
While inserting text file from pyspark shell to hive table. NULL values treating as string in table. If i query hive table, records can be retried ...
I need to manage 3 databases with many tables and NULL values that can be almost everywhere. For some cases I've found a solution, but now I need help ...
I know there are A LOT of posts about this already, but I didn't find anything that helped me understand or fix my issue. I have a database filling a ...
I have written code which retrieves an email address from an access db when the username is the same as the user who has logged into my program. I wis ...
I am working on an existing code and I have made some change. While I have added some new columns in the database table, the code uses cache to store ...
I have a code like below above line is always not null even though dtDetails.Rows[0]["columnName"] is null whereas works perfectly. why is that? ...
I get minimum number in my database. But when no data in my database I get this error. System.InvalidCastException: 'The object cannot be assigne ...
I have a column in a datatable that normally consist of numerical values but there are rare occasions where letters will be present in the column. Thi ...
I am trying to copy 2 databases from SQL Server 2012 to a new VM SQL Server 2017. One of the databases was restored successfully but the other is giv ...
I'm trying to write a code, which checks if a cell in selected row in DataGridView is empty/null before the cell will be updated with a value. The cod ...
I am trying to read nullable values from a database. Right now my code is converting null values to false. How can I modify my code to allow for null ...
I wrote 2 functions in C# that print some data in a WinForms DataGridView control. But as I shown highlighted cells in image; there are some unpleasan ...