Add db.QueryableByObject

Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryMethodInfo.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SqlSugar 
+{
+    public class QueryMethodInfo
+    {
+        public object QueryableObj { get; internal set; }
+        public SqlSugarProvider Context { get; internal set; }
+    }
+}

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs

@@ -82,6 +82,16 @@ namespace SqlSugar
         #endregion
 
         #region Queryable
+        public QueryMethodInfo QueryableByObject(Type entityType) 
+        {
+            QueryMethodInfo result = new QueryMethodInfo();
+            var method=this.GetType().GetMyMethod("Queryable", 0);
+            var methodT=method.MakeGenericMethod(entityType);
+            var queryableObj=methodT.Invoke(this,new object[] {});
+            result.QueryableObj = queryableObj;
+            result.Context = this.Context;
+            return result;
+        }
         /// <summary>
         /// Get datebase time
         /// </summary>

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs

@@ -815,6 +815,10 @@ namespace SqlSugar
         {
             ScopedContext.Tracking(datas);
         }
+        public QueryMethodInfo QueryableByObject(Type entityType)
+        {
+            return ScopedContext.QueryableByObject(entityType);
+        }
         #endregion
     }
 }

Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs

@@ -79,6 +79,7 @@ namespace SqlSugar
         #endregion
 
         #region Queryable
+        QueryMethodInfo QueryableByObject(Type entityType);
         ISugarQueryable<T> MasterQueryable<T>();
         ISugarQueryable<T> SlaveQueryable<T>();
         ISugarQueryable<T> SqlQueryable<T>(string sql) where T : class, new();

Src/Asp.Net/SqlSugar/SqlSugar.csproj

@@ -138,6 +138,7 @@
     <Compile Include="Abstract\QueryableProvider\Includes.cs" />
     <Compile Include="Abstract\QueryableProvider\MappingFieldsHelper.cs" />
     <Compile Include="Abstract\QueryableProvider\NavigatManager.cs" />
+    <Compile Include="Abstract\QueryableProvider\QueryMethodInfo.cs" />
     <Compile Include="Abstract\SaveableProvider\StorageableMethodInfo.cs" />
     <Compile Include="Abstract\SaveableProvider\StorageableDataTable.cs" />
     <Compile Include="Abstract\SqlBuilderProvider\Entities.cs" />

Src/Asp.Net/SqlSugar/SqlSugarClient.cs

@@ -284,6 +284,10 @@ namespace SqlSugar
         }
         #endregion
 
+        public QueryMethodInfo QueryableByObject(Type entityType) 
+        {
+            return this.Context.QueryableByObject(entityType);
+        }
         public ISugarQueryable<T> MasterQueryable<T>()
         {
             return this.Context.MasterQueryable<T>();

Src/Asp.Net/SqlSugar/SqlSugarScope.cs

@@ -872,5 +872,9 @@ namespace SqlSugar
         {
             return ScopedContext.AsyncLock(timeOutSeconds);
         }
+        public QueryMethodInfo QueryableByObject(Type entityType)
+        {
+            return ScopedContext.QueryableByObject(entityType);
+        }
     }
 }