-

SqlSugar/ExpressionsToSql/Common/ExpressionParameter.cs

@@ -14,6 +14,7 @@ namespace SqlSugar
         public Expression BaseExpression { get; set; }
         public int Index { get; set; }
         public List<KeyValuePair<string, BinaryExpressionInfo>> BinaryExpressionInfoList { get; set; }
+        public object TempDate { get; set; }
         public ExpressionParameter BaseParameter { get; set; }
     }
 }

SqlSugar/ExpressionsToSql/ResolveItems/ConstantExpressionResolve.cs

@@ -15,10 +15,12 @@ namespace SqlSugar
             object value = expression.Value;
             switch (parameter.Context.ResolveType)
             {
-                case ResolveExpressType.WhereSingle:
-                case ResolveExpressType.WhereMultiple:
                 case ResolveExpressType.SelectSingle:
                 case ResolveExpressType.SelectMultiple:
+                    parameter.BaseParameter.TempDate = value;
+                    break;
+                case ResolveExpressType.WhereSingle:
+                case ResolveExpressType.WhereMultiple:
                 case ResolveExpressType.FieldSingle:
                 case ResolveExpressType.FieldMultiple:
                 default:

SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs

@@ -46,10 +46,11 @@ namespace SqlSugar
                 MemberAssignment memberAssignment = (MemberAssignment)binding;
                 if (memberAssignment.Expression.NodeType == ExpressionType.Constant)
                 {
-                    var value = ((ConstantExpression)memberAssignment.Expression).Value;
+                    base.Expression = memberAssignment.Expression;
+                    base.Start();
                     string parameterName = this.Context.SqlParameterKeyWord + "constant" + i;
                     parameter.Context.Result.Append(parameterName);
-                    this.Context.Parameters.Add(new SugarParameter(parameterName, value));
+                    this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.TempDate));
                 }
                 else
                 {