GuidoG

GuidoG has asked 17 questions and find answers to 10 problems.

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About

SOreadytohelp

Delphi programmer by heart, c# programmer by economic reasons.
Crazy about my kids.
Spent most evenings programming tools for myself or my friends.

GuidoG questions

how to copy a value from float? to float, and put zero if the float? is null?
Why does the DataTable.Rows.Count not change after deleting rows?
How to print image that is larger than one page
Where is the source code for the .Net Framework controls?
why does the IS operator enters an IF statement when false?
Find rows that contain same value inside comma separated values
c# property setter not called when assiging the same value
Delphi prevent application shutdown
Why does IsDisposed return false after calling Dispose()?
Download files using FluentFTP

GuidoG answers

Very long query execution using C++, Sql Server and ODBC connection
When to use NEWID or NEWSEQUENTIALID and why
How to allow selecting a NULL value in a TDBLookupComboBox?
Count distinct values across more than one column
duplicate null value violation on UNIQUE KEY constraint in Mssql
Derived class thinks my base class got deleted [duplicate]
How to add new column in existing View in SQL-Server 2014 using Alter
How to calculate the a third column based on the values of two previous columns?