LINQPad Feature Suggestions: Hot (1215 ideas) – Customer Feedback for LINQPad

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Drag-n-drop CSVs into an instant table

Drag-n-drop a CSV file to the LINQPad window to silently create an IQueryable object populated with its values and insert a code reference at the cursor point where the drop operation completes.

1 vote

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add a way to get iwin32Window from linqpad

Dim wnd As New NativeWindow()
wnd.AssignHandle(Process.GetProcessById (Util.HostProcessID).MainWindowHandle)

'Add the above code or the c# version of it to a Util function that lets us pop up dialogs that show above the linqpadwindow.
'_____
Dim browser = New FolderBrowserDialog With {.ShowNewFolderButton = False, .SelectedPath = pth}
If browser.ShowDialog(wnd) = DialogResult.OK Then
pth = browser.SelectedPath
End If

3 votes

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Allow LinqPad Query to access internal members of referenced libraries

It would be great if LinqPad query can access internal members of referenced libraries without changing the referenced libraries to add InternalsVisibleTo attribute. Instead we could use the reverse attribute IgnoresAccessChecksToAttribute in the query to allow it to access internal members of any specified libraries. You can find detailed information on how this can be done here: https://github.com/aelij/IgnoresAccessChecksToGenerator and https://github.com/filipw/Strathweb.Samples.CSharp.NoVisibilityChecks

3 votes

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Ctrl+Backspace should delete a word rather than print the backspace character on the "Additional Namespace Imports" page

1 vote

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Expose Program.IsAutomated via Util class

Currently we resort to reflection on the LinqPad internal classes to extract some very useful properties. One of these features is IsAutomated property of the internal static Program class, which is similar to #if CMD but is more practical because you can pass it around. Besides it's impossible to determine if a script it running under lprun inside MyExtensions using the said #if CMD directive. Because it is a compilation directive.

1 vote

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Provide a means to change the target framework (e.g., the .NET Micro Framework, etc.)

I don't know if this is feasible, but it would make LINQPad orders of magnitude more useful to those of us working in multiple target platforms.

49 votes

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Cross-server and cross-domain queries

It is time to move to the next level: cross-server or cross-domain queries, for a truly great orchestration experience.

I have experimented with this and it's working nicely:

dynamic odata = Activator.CreateInstance(Type.GetType("LINQPad.User.DemoService, odata", true), new Uri("https://services.odata.org/V3/OData/OData.svc/"));
((object)odata.Persons).Dump();
dynamic a = Activator.CreateInstance(Type.GetType("LINQPad.User.TypedDataContext, a", true));
((object)a.Persons).Dump();
dynamic db = Activator.CreateInstance(Type.GetType("LINQPad.User.TypedDataContext, db", true));
((object)db.Products).Dump();

I'm specifically referring to this line in the FAQ (https://www.linqpad.net/FAQ.aspx):
"The databases that you query must reside on the same server."

That's a major limitation.

Possible solutions:
1. Unique data context class names in the LINQPad.User namespace.
2. extern alias functionality?
3. Uniquely nest all classes with respect to their connection name (for example, in the db.dll all classes will reside in LINQPad.User.db.* as opposed to the current LINQPad.User.* namespace)
4. With odata you named the resulting class DemoService, perhaps the same could be done with the sql connections

It is time to move to the next level: cross-server or cross-domain queries, for a truly great orchestration experience.

I have experimented with this and it's working nicely:

dynamic odata = Activator.CreateInstance(Type.GetType("LINQPad.User.DemoService, odata", true), new Uri("https://services.odata.org/V3/OData/OData.svc/"));
((object)odata.Persons).Dump();
dynamic a = Activator.CreateInstance(Type.GetType("LINQPad.User.TypedDataContext, a", true));
((object)a.Persons).Dump();
dynamic db = Activator.CreateInstance(Type.GetType("LINQPad.User.TypedDataContext, db", true));
((object)db.Products).Dump();

I'm specifically referring to this line in the FAQ (https://www.linqpad.net/FAQ.aspx):
"The databases that you query must reside on the same server."

That's a major limitation.

Possible solutions:
1. Unique data context class names in the LINQPad.User namespace.
2. extern alias functionality?
3. Uniquely nest all classes…

1 vote

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Add codepage support to Util.Cmd

Basically you need to change the ProcessStartInfo.StandardOutputEncoding with the supplied codepage, or get the default from registry. Localized versions of Windows will print gibberish with basic operations like Util.Cmd("ping localhost")

1 vote

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Add Random newid() support to TypedDataContext

Super easy, add this method to your Program script:

[System.Data.Linq.Mapping.Function(IsComposable=true)]
public Guid NewId() => Guid.NewGuid();

Then use like this:

Users.OrderBy(o => NewId())

This will translate to the usual sql statement for the server-side execution:

select * from Users order by newid()

Which is shuffling on the server side.

The C# implementation is never used (Guid.NewGuid()) but is useful nonetheless if someone calls it from the application-side. You can replace it with throw new NotImplementedException() and it will still work just fine.

Would be great if it was embedded into the TypedDataContext (or elsewhere) within LinqPad.

Based on Marc's answer here: https://stackoverflow.com/questions/648196/random-row-from-linq-to-sql

Super easy, add this method to your Program script:

[System.Data.Linq.Mapping.Function(IsComposable=true)]
public Guid NewId() => Guid.NewGuid();

Then use like this:

Users.OrderBy(o => NewId())

This will translate to the usual sql statement for the server-side execution:

select * from Users order by newid()

Which is shuffling on the server side.

The C# implementation is never used (Guid.NewGuid()) but is useful nonetheless if someone calls it from the application-side. You can replace it with throw new NotImplementedException() and it will still work just fine.

Would be great if it was embedded into the TypedDataContext (or elsewhere) within LinqPad.

Based on Marc's answer here: …

1 vote

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Name User License for Linqpad

Name User License so I log on for use software with same attual restriction (6 user for license activated). So I can use the software without active/deactive but limit of connection for user

1 vote

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"Show all nestings levels" works only for the first items!

"Show all nestings levels" works only for the first items! Not for all. Please fix!

3 votes

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BUG: automatic intellisense occuring on single letters

When typing something like
.Where(x => ....)
pressing space after the x fills in the intellisense menu choice which pops up automatically.

4 votes

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Query result shown as rich text when run from stored file - default setting = data grids

My default for an SQL-result is "data grids". But when running a script from a saved SQL-file, the result is shown as rich text (html).

Please apply the default in this situation as well. Thx

1 vote

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Add Connections using Data Context from a NuGet Package

It would be great to be able to package up custom DbContext assemblies and app.configs (e.g. dev, uat, prod) in a NuGet package then reference the package from the "Add Connection" dialog.

10 votes

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NuGetPackageFolder

<NuGetPackageFolder>C:\packages</NuGetPackageFolder>
is not effective when it is placed in (RoamingUserOptions.xml nor UserOptions.xml) the same path as LINQPad.exe

6 votes

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Bug: IOException on first run with 2 piped lprun's because of building shared Extensions

Setup:

a.linq:
"a".Dump();

b.linq:
"b".Dump();

Delete all *.dll, *.pdb in plugins folder (for example, LINQPad Plugins\Framework 4.6), leave the MyExtensions.FW46.linq file for compilation;

Then run: lprun a.linq | lprun b.linq

This is the output:

c:\users\user\Documents\LINQPad Queries>lprun a.linq | lprun b.linq
IOException: The process cannot access the file 'C:\Users\User\Documents\LINQPad Plugins\Framework 4.6\MyExtensions.FW46.dll' because it is being used by another process.
at LINQPad.TaskExtensions.GetResult[T](Task`1 t)
at LINQPad.MyExtensionsManager.CheckForStaleExtensions()
at LINQPad.CmdLineAppHost.Run()
at LINQPad.Cmd.LPCmd.Run(String[] args)

b

1 vote

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Automatic proxy detection not working

Hello,
First of all: LINQPad is a GREAT productivity tool and in our company we have many users, using it on a daily base. I love the new feature to great simple chart in the Dump output!

Here is a little issue. The automatic proxy detection of LINQPad is not working properly. In our environment with a NTLM based authenticating proxy and a proxy.pac file in use it is not working.
This is most likely due to not setting the HttpWebRequest.Proxy.Credentials property before sending a request.

Here is a sample C# code where it works and is explained step-by-step:

// create some HTTP web request, e.g. www.microsoft.com
// CAREFUL: some special URLs like www.google.com might be accessible without any proxy credentials as EVERYBODY should be able to use them
// so we use something more special, e.g. "https://www.bundesbank.de"
var url="https://www.bundesbank.de";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

// force the request to be executed without using any cache, for our testing scenario
// in a productive scenario this SHOULD NOT be changed without having mature reason, e.g. a web site handles caching wrongly and deliever
// false results if caching is activated
// CAREFUL: the proxy authentication request is STILL cached. So if you want to test you MUST exit LINQPad after each successful proxy authentication attempt
HttpRequestCachePolicy noCachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.NoCacheNoStore);
request.CachePolicy = noCachePolicy;

// usually .NET uses the system web proxy
// so the next if line is redundant
// request.Proxy = WebRequest.GetSystemWebProxy();

// or define an explicit proxy
// this shouldn't be necessary except if the proxy handles the request not properly or some exceptional proxy should be used
// that is configured in a special way
// request.Proxy = new WebProxy("proxy.somedomain.com:8080", true)

// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// here is what needs to DONE
// settings proxy credentials in the code is MANDATORY.
// if you do not set credentials in the code none will be use and hence an anonymous request is sent
// This ALWAYS fails if you have an authenticating proxy server

request.Proxy.Credentials = CredentialCache.DefaultNetworkCredentials;
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

// alternative: create network credentials based on user name and password
// this has to be used if e.g. the applications execution environment uses credentials that have no internet access over the proxy server
// request.Proxy.Credentials = new NetworkCredential("username", "password");

// if you comment the next line it still works
// the request.Credentials are credentials used to access the web site. Those are usually not the default network credentials but some credentials
// for on an Internet authentication protocol, e.g. basic authentication
// request.Credentials = credential;

// do the request
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
using (var stream = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(stream))
{
reader.ReadToEnd().Dump();
}
}
}

If would be great if this could be fixed.
CAREFUL once again. To test restart LINQPad after each attempt. Else you will see cached results.

Hello,
First of all: LINQPad is a GREAT productivity tool and in our company we have many users, using it on a daily base. I love the new feature to great simple chart in the Dump output!

Here is a little issue. The automatic proxy detection of LINQPad is not working properly. In our environment with a NTLM based authenticating proxy and a proxy.pac file in use it is not working.
This is most likely due to not setting the HttpWebRequest.Proxy.Credentials property before sending a request.

Here is a sample C# code where it works and is explained step-by-step:

//…

1 vote

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Edit and debug Cake files

Would've been really cool if you could edit and debug Cake build scripts in LINQPad.

23 votes

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seek White Listing status with Symantec EndPoint Protection

The latest SEP virus definition update has flagged LINQPad.exe as a virus and Quarantined it.

1 vote

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Include the current query name (if saved) to the title bar

The time tracking software I use, TimeSprite, uses the window title to track time and assign to tasks. LINQPad always just shows as "LINQPAD" - but when a query is saved, including the file name in the title bar (like Word, Excel, etc. does) will let users identify the current query, and will facilitate time-tracking apps such as TimeSprite to assign queries to projects.

16 votes

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