Use for the GraphQL .NET project.
Tag for the GraphQL .NET project.
Questions tagged [graphql-dotnet]
105 questions
0
votes
3 answers
Parallel async queries with GraphQL for .NET and EF Core 3.0
Summary
I am currently migrating a project to AspNetCore 3.0 and are running into a issue with the GraphQL for .NET ParallelExecutionStrategy when querying for multiple things in one query. The project is using a MSSQL Server as the data store and…
Ganhammar
- 1,871
- 1
- 16
- 29
0
votes
1 answer
Build hierarchical object tree in GraphQL.NET
I am building an API that allows you to fetch a hierarchical object tree in GraphQL. These objects are not in a data store but come from some upstream API. For example;
public class Employee
{
public int Id { get; set; }
public string…
Steztric
- 2,832
- 2
- 24
- 43
0
votes
1 answer
GraphQL - Pass Non-Property Variable
I am just starting in GraphQL (with .NET, but I don't think that matters here). I have learned how to pass variables that are properties of the type I am querying, but I am not sure how to pass variables that are NOT properties.
For example, I have…
emery.noel
- 1,073
- 1
- 9
- 24
0
votes
1 answer
What to do when a record is not found for given arguments
I've just started developing a graphQL API using graphql-dotnet.
I've searched through the documentation but I couldn't find anything on what to do if a record is not found for given arguments. The reference implementations I checked (github,…
Rudithus
- 183
- 13
0
votes
1 answer
GraphQL-dotnet fields Validation Prior Resolving
I'm building GraphQL API in Asp.Net Core 2.2 using GraphQL.Net 2.4.0
I've created Controller to handle GraphQL Queries:
[Authorize(AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)]
public class GraphQLController : Controller
{
…
Stefan PEev
- 481
- 5
- 17
0
votes
0 answers
Is it possible to change graphql schema once it is initialized
I am using graphql-dotnet and populated schema based on different types (loaded from assembly). Now I would like to add new types to an existing schema without restarting the application server. Is that possible?
Hasibul
- 569
- 2
- 6
- 21
0
votes
0 answers
Bad Request Error encountered with GraphQL DotNet
I'm using GraphQL.Net and getting the following when trying to use the API.
{
"version": {
"major": 1,
"minor": 1,
"build": -1,
"revision": -1,
"majorRevision": -1,
"minorRevision": -1
},
"content": {
"headers": [
…
Jonas Arcangel
- 2,085
- 11
- 55
- 85
0
votes
1 answer
The type: Byte cannot be coerced effectively to a GraphQL type
Here is the code that I am using to fetch ByteArrayContent type:
public class ImageDTO : APIResult
{
public byte[] ImageData
{
get;
set;
}
public string ImageFormat
{
get;
set;
}
public…
santosh kumar patro
- 7,231
- 22
- 71
- 143
0
votes
1 answer
How to generate dynamic path value for a graphql query response using GraphQL.NET?
I have REST API (api/tax/v1/countries) with the following response. In the below the pngimagePath and svgimagePath properties are pointing to the image type endpoints(api/tax/v1/country/Country1/{FlagPNG or FlagSVG})
The paths are generated…
santosh kumar patro
- 7,231
- 22
- 71
- 143
0
votes
1 answer
In GraphQl dot net how we can get projected field names from ResolveFieldContext
I am new in Graphql and using graphql-dotnet in my asp.net core project.
Consider I have written a query like following.
restaurants {
id
name
}
Now I want to get this field names from ResolveFieldContext. Is there any way to get this…
Hasibul
- 569
- 2
- 6
- 21
0
votes
1 answer
Asp.net core file upload with Graphql-dotnet
I am trying to upload an image file with graphql-dotnet, but it is never successful.
I am taking file object in my GraphQLController:
var files = this.Request.Form.Files;
var executionOptions = new ExecutionOptions
{
Schema = _schema,
…
tcetin
- 979
- 1
- 21
- 48
0
votes
1 answer
Graphql-dotnet, not able to connect to React application
Currently I am working on GraphQl-dotnet, i was able to create graphql server, now i want to connect the server to my front end, React Application, I tried with Apollo i could not do it can any one help me on it .
Perumal.S
- 11
- 4
0
votes
1 answer
Defining ResolveType for GraphQL interfaces from type definition text
Based on an example from graphql-dotnet :
public class Droid
{
public string Id { get; set; }
public string Name { get; set; }
}
public class Query
{
[GraphQLMetadata("hero")]
public Droid GetHero()
{
return new Droid {…
Majid
- 3,128
- 1
- 26
- 31
-1
votes
1 answer
"INVALID_OPERATION" error with GraphQL.Net library in .NET Core 3.0
I have a problem with GraphQL.Net library. I've used "GraphQL" Version="3.2.0", "GraphQL.Server.Ui.Playground" Version="4.4.0" and TargetFramework = netcoreapp3.0
I'm trying to see how it works and I created a simple class:
public class Temp
{
…
Galina Melnik
- 1,947
- 3
- 14
- 19
-1
votes
1 answer
GraphTypeFromType gets NullReferenceException
I'm getting this error using dotnet's bindings for Graphql, what may it be the cause?
GraphQL.ExecutionError: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an…
Shoe
- 74,840
- 36
- 166
- 272