[英]The type 'System.Object' is defined in an assembly that is not referenced. You must add a reference to assembly 'netstandard
[英]The type 'Component' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.ComponentModel.Primitives'
我在我的 ASP.NET 核心項目中使用Microsoft.CodeAnalysis.CSharp
package。 System.ComponentModel.Primitives
package 無法添加到我的 package。
這是我的代碼:
List<MetadataReference> references = new List<MetadataReference>();
references.Add(MetadataReference.CreateFromFile(typeof(object).Assembly.Location));
references.Add(MetadataReference.CreateFromFile(typeof(Enumerable).Assembly.Location));
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.Console")).Location));
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.Runtime")).Location));
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.Data.SqlClient")).Location));
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.Data")).Location));
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.Data.Common")).Location));
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.ComponentModel.DataAnnotations")).Location));
var code = @"
using System;
class Program {
static void Main(string[] args) {
Console.WriteLine(1);
}
}
private DataTable ExecuteQuery(string query)
{
{
query = query.Replace(""'"", ""''"");
DataTable dataTable = new DataTable();
using (var con = new System.Data.SqlClient.SqlConnection(_connectionString))
{
{
using var sqlCommand = con.CreateCommand();
sqlCommand.CommandType = CommandType.Text;
sqlCommand.CommandText = query;
con.Open();
System.Data.SqlClient.SqlDataAdapter sqlDataAdapter = new System.Data.SqlClient.SqlDataAdapter(sqlCommand);
sqlDataAdapter.Fill(dataTable);
con.Close();
}
}
return dataTable;
}
}
";
SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(code);
string assemblyName = Path.GetRandomFileName();
CSharpCompilation compilation = CSharpCompilation.Create(
assemblyName,
syntaxTrees: new[] { syntaxTree },
references: references,
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary,
usings: new[] {
"System",
"System.IO",
"System.Linq",
"System.Collections.Generic" })
);
using (var ms = new MemoryStream())
{
EmitResult result = compilation.Emit(ms);
if (result.Success)
{
ms.Seek(0, SeekOrigin.Begin);
Assembly assembly = Assembly.Load(ms.ToArray());
Type type = assembly.GetType("RoslynCompileSample.MainClass");
object obj = Activator.CreateInstance(type);
var MethodOutput = type.InvokeMember("Main",
BindingFlags.Default | BindingFlags.InvokeMethod,
null,
obj,
null);
}
}
這是錯誤:
“組件”類型是在未引用的程序集中定義的。 您必須添加對程序集“System.ComponentModel.Primitives, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a”的引用。
如錯誤所示,您需要添加System.ComponentModel.Primitives
的引用
您可以嘗試: references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.ComponentModel.Primitives")).Location));
我無法安裝System.ComponentModel.Primitives
package。
但是在安裝了以下 package 之后:
Microsoft.CodeAnalysis、Microsoft.CodeAnalysis Microsoft.CodeAnalysis.Common、Microsoft.CodeAnalysis.CSharp、
System.ComponentModel.Primitives
的安裝沒有錯誤。
我將以下代碼添加到我的代碼中:
references.Add(MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("System.ComponentModel.Primitives")).Location));
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