ASP.NET Core compiling with C# dynamic Missing compiler required member 'Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo.Create'

ASP.NET Core compiling with C# dynamic Missing compiler required member 'Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo.Create'

The error message "Missing compiler required member 'Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo.Create'" typically occurs when using dynamic types in an ASP.NET Core project.

The cause of this error is often related to missing dependencies or incompatible versions of the Microsoft.CSharp NuGet package. To resolve this issue, try the following steps:

  1. Make sure that you have installed the latest version of the Microsoft.CSharp NuGet package.

  2. Check that all of your project references are pointing to the correct version of the package.

  3. Try cleaning and rebuilding your project to ensure that all dependencies are up to date.

  4. If you are using an older version of ASP.NET Core, try upgrading to the latest version, as this may help resolve the issue.

  5. Finally, if none of the above steps work, you can try manually adding the missing member to your project. To do this, add the following code to a file in your project:

namespace Microsoft.CSharp.RuntimeBinder
{
    public class CSharpArgumentInfo
    {
        public static CSharpArgumentInfo Create(
            Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags flags,
            string name)
        {
            return null;
        }
    }
}

This code will provide a stub implementation of the missing member, which should allow your project to compile successfully.

Examples

  1. "ASP.NET Core dynamic object Missing compiler required member 'Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo.Create'"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with CreateArgumentInfo in your code
dynamic obj = new ExpandoObject();
var argumentInfo = CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null);
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder, then uses CSharpArgumentInfo.Create with a dynamic object.

  2. "ASP.NET Core C# dynamic Missing compiler required member 'CSharpArgumentInfo.Create' with ExpandoObject"

    • Code Implementation:
      // Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with CreateArgumentInfo in your code with ExpandoObject
dynamic obj = new ExpandoObject();
var argumentInfo = CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null);
    • Description: Includes the required using statement for Microsoft.CSharp.RuntimeBinder and uses CSharpArgumentInfo.Create with a dynamic object (ExpandoObject).

  3. "ASP.NET Core C# dynamic object with RuntimeBinderException"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with try-catch block to handle RuntimeBinderException
dynamic obj = new ExpandoObject();
try
{
    var result = obj.SomeProperty; // Access dynamic property
}
catch (RuntimeBinderException ex)
{
    // Handle the exception
}
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses a try-catch block to handle RuntimeBinderException when accessing dynamic properties.

  4. "ASP.NET Core dynamic object Missing CSharpArgumentInfoFlags"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with CreateArgumentInfo and CSharpArgumentInfoFlags in your code
dynamic obj = new ExpandoObject();
var argumentInfo = CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null);
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses CSharpArgumentInfo.Create with CSharpArgumentInfoFlags and a dynamic object.

  5. "ASP.NET Core dynamic object C# dynamic invoke method"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with InvokeMember to invoke a method dynamically
dynamic obj = new ExpandoObject();
var result = ((object)obj).GetType().InvokeMember("SomeMethod", System.Reflection.BindingFlags.InvokeMethod, null, obj, new object[] { /* method parameters */ });
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses InvokeMember to dynamically invoke a method on a dynamic object.

  6. "ASP.NET Core dynamic object Missing compiler required member 'CSharpArgumentInfo.Create' with anonymous type"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with CreateArgumentInfo in your code with anonymous type
var anonymousObject = new { Property1 = "Value1", Property2 = 42 };
var argumentInfo = CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null);
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses CSharpArgumentInfo.Create with an anonymous type.

  7. "ASP.NET Core C# dynamic ExpandoObject runtime binder error"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with ExpandoObject and handle RuntimeBinderException
dynamic obj = new ExpandoObject();
try
{
    obj.SomeProperty = "Value";
    var result = obj.SomeProperty; // Access dynamic property
}
catch (RuntimeBinderException ex)
{
    // Handle the exception
}
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses dynamic with ExpandoObject and handles RuntimeBinderException when accessing dynamic properties.

  8. "ASP.NET Core dynamic object C# dynamic invoke method with parameters"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with InvokeMember to invoke a method dynamically with parameters
dynamic obj = new ExpandoObject();
var result = ((object)obj).GetType().InvokeMember("SomeMethod", System.Reflection.BindingFlags.InvokeMethod, null, obj, new object[] { /* method parameters */ });
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses InvokeMember to dynamically invoke a method on a dynamic object with parameters.

  9. "ASP.NET Core dynamic object C# dynamic cast to specific type"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with as operator to cast to a specific type
dynamic obj = new ExpandoObject();
var castResult = obj as YourSpecificType;
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses as operator to cast a dynamic object to a specific type.

  10. "ASP.NET Core dynamic object C# dynamic invoke method with named arguments"

    • Code Implementation:
      // Ensure the necessary NuGet package Microsoft.CSharp is installed
// Add the following using statement
using Microsoft.CSharp.RuntimeBinder;

// Use dynamic with InvokeMember to invoke a method dynamically with named arguments
dynamic obj = new ExpandoObject();
var result = ((object)obj).GetType().InvokeMember("SomeMethod", System.Reflection.BindingFlags.InvokeMethod, null, obj, new object[] { arg1: "Value1", arg2: 42 });
    • Description: Ensures the necessary NuGet package is installed and includes the required using statement for Microsoft.CSharp.RuntimeBinder. Uses InvokeMember to dynamically invoke a method on a dynamic object with named arguments.

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