From 874f50ae49da7ae7f51736075e3bdd66799eb71c Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sat, 21 May 2022 10:04:41 +0800
Subject: [PATCH] Update  navicate query

---
 .../ResolveItems/MethodCallExpressionResolve.cs       | 11 +++++++++--
 .../ResolveItems/OneToManyNavgateExpression.cs        |  5 ++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
index 820457e8e..cce1dc9e6 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
@@ -280,9 +280,16 @@ namespace SqlSugar
                     base.AppendValue(parameter, isLeft, parameterName);
                 }
             }
-            catch
+            catch(Exception ex)
             {
-                Check.Exception(true, string.Format(ErrorMessage.MethodError, express.Method.Name));
+                if (ex is SqlSugarException)
+                {
+                    Check.Exception(true, string.Format(ex.Message, express.Method.Name));
+                }
+                else
+                {
+                    Check.Exception(true, string.Format(ErrorMessage.MethodError, express.Method.Name));
+                }
             }
         }
 
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/OneToManyNavgateExpression.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/OneToManyNavgateExpression.cs
index a8d7895cb..3cda36124 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/OneToManyNavgateExpression.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/OneToManyNavgateExpression.cs
@@ -135,7 +135,10 @@ namespace SqlSugar
         }
         private MapperSql GetOneToManySql()
         {
-            var pk = this.EntityInfo.Columns.First(it => it.IsPrimarykey == true).DbColumnName;
+            var pkColumn = this.EntityInfo.Columns.FirstOrDefault(it => it.IsPrimarykey == true);
+            Check.ExceptionEasy(pkColumn == null, $"{this.EntityInfo.EntityName} need primary key ",
+                $"导航属性 {this.EntityInfo.EntityName}需要主键");
+            var pk = pkColumn.DbColumnName;
             var name = this.ProPertyEntity.Columns.First(it => it.PropertyName == Navigat.Name).DbColumnName;
             //var selectName = this.ProPertyEntity.Columns.First(it => it.PropertyName == MemberName).DbColumnName;
             MapperSql mapper = new MapperSql();