NpgsqlDataReaderSafetyGet 1.0.0

.NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. 
dotnet add package NpgsqlDataReaderSafetyGet --version 1.0.0                

                    
                

            
NuGet\Install-Package NpgsqlDataReaderSafetyGet -Version 1.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="NpgsqlDataReaderSafetyGet" Version="1.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add NpgsqlDataReaderSafetyGet --version 1.0.0                

                    
                

            
#r "nuget: NpgsqlDataReaderSafetyGet, 1.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install NpgsqlDataReaderSafetyGet as a Cake Addin
#addin nuget:?package=NpgsqlDataReaderSafetyGet&version=1.0.0

// Install NpgsqlDataReaderSafetyGet as a Cake Tool
#tool nuget:?package=NpgsqlDataReaderSafetyGet&version=1.0.0

NpgsqlDataReaderSafety

This is a simple tool to avoid exceptions with get methods on DataReader class. With extension methods we can simple the get data action on data reader, and receive a null value of each type when call a get method of same type.

Usage Example And Explanations

When, in a DataReader object we call get method like this

while(dataReader.Read()){
    people.Age = dataReader.GetInt32(0);
}

If database field in 0 position is null, we receive an exception. Following the documentation of Npgsql we can found a boolean method to check if the value is null called IsDBNull, and our code will stay like this

while(dataReader.Read()){
    if (!if(dataReader.IsDBNull(0)){
        people.Age = dataReader.GetInt32(0);
    }
}

The problem was solved, but we add some lines of code in our software and it got a little bit more unreadable for me. To handle with this I created this extension methods and I'd like to share. So our code will stay like this

while(dataReader.Read()){
    people.Age = dataReader.GetSafetyInt32(0);
}

To do

  • Add more type of extension methods
  • Add Try blocks to handle knowled exceptions
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

  • .NETStandard 2.0

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Version Downloads Last updated
1.0.0 3,836 4/15/2019