From 8150e1aa309e79591255d9a29cd9322d2bcde863 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Thu, 10 Jul 2025 16:52:27 +0800
Subject: [PATCH] Synchronous code

---
 .../Abstract/CodeFirstProvider/CodeFirstProvider.cs  |  2 +-
 .../Abstract/DeleteProvider/DeleteableProvider.cs    | 12 +++++++++++-
 .../Abstract/InsertableProvider/InsertableHelper.cs  |  6 +++++-
 .../Abstract/SqlBuilderProvider/InsertBuilder.cs     |  2 +-
 .../Abstract/UpdateProvider/UpdateableHelper.cs      |  8 ++++++--
 5 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
index 192a24acb..04acd1a27 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
@@ -368,7 +368,7 @@ namespace SqlSugar
                                 var dbColumn = entityInfo.Columns.FirstOrDefault(z => z.PropertyName == it.Key);
                                 if (dbColumn == null&&entityInfo.Discrimator==null)
                                 {
-                                    Check.ExceptionEasy($"{entityInfo.EntityName} no   SugarIndex[ {it.Key} ]  found", $"类{entityInfo.EntityName} 索引特性没找到属性名 ：{it.Key}");
+                                    Check.ExceptionEasy($"{entityInfo.EntityName} no   SugarIndex[ {it.Key} ]  found", $"类{entityInfo.EntityName} 索引特性没找到列 ：{it.Key}");
                                 }
                                 return new KeyValuePair<string, OrderByType>(dbColumn.DbColumnName, it.Value);
                             })
diff --git a/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index 81e6b1162..bab77b3d3 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -119,6 +119,7 @@ namespace SqlSugar
             string tableName = this.Context.EntityMaintenance.GetTableName<T>();
             var primaryFields = this.GetPrimaryKeys();
             var isSinglePrimaryKey = primaryFields.Count == 1;
+            var isNvarchar = false;
             Check.Exception(primaryFields.IsNullOrEmpty(), string.Format("Table {0} with no primarykey", tableName));
             if (isSinglePrimaryKey)
             {
@@ -128,6 +129,7 @@ namespace SqlSugar
                 {
                     var entityPropertyName = this.Context.EntityMaintenance.GetPropertyName<T>(primaryField);
                     var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName.Equals(entityPropertyName, StringComparison.CurrentCultureIgnoreCase));
+                    isNvarchar = columnInfo.SqlParameterDbType is System.Data.DbType dbtype && dbtype == System.Data.DbType.String;
                     var value = columnInfo.PropertyInfo.GetValue(deleteObj, null);
                     value = UtilMethods.GetConvertValue(value);
                     if (this.Context.CurrentConnectionConfig?.MoreSettings?.TableEnumIsString!=true&&
@@ -151,7 +153,15 @@ namespace SqlSugar
                 }
                 else if (primaryKeyValues.Count < 10000)
                 {
-                    var inValueString = primaryKeyValues.ToArray().ToJoinSqlInVals();
+                    var inValueString = string.Empty;
+                    if (isNvarchar)
+                    {
+                        inValueString = primaryKeyValues.ToArray().ToJoinSqlInValsByVarchar();
+                    }
+                    else
+                    {
+                        inValueString = primaryKeyValues.ToArray().ToJoinSqlInVals();
+                    }
                     Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryFields.Single()), inValueString));
                 }
                 else
diff --git a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
index dd76fe0e6..9aee1c191 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
@@ -124,10 +124,14 @@ namespace SqlSugar
                     {
                         continue;
                     }
-                    if (item.SqlParameterDbType is Type) 
+                    if (item.SqlParameterDbType is Type)
                     {
                         continue;
                     }
+                    else if (item.SqlParameterDbType is System.Data.DbType dbtype) 
+                    {
+                        paramters.DbType = dbtype;
+                    }
                     if (item.IsJson)
                     {
                         paramters.IsJson = true;
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
index 10628faf3..e790849bc 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
@@ -217,7 +217,7 @@ namespace SqlSugar
         public virtual object FormatValue(object value)
         {
             var N = "N";
-            if (this.Context.CurrentConnectionConfig.DbType == DbType.Sqlite) 
+            if (this.Context.CurrentConnectionConfig.DbType == DbType.Sqlite)
             {
                 N = "";
             }
diff --git a/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs b/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs
index c0571cca8..cc41dfedf 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs
@@ -6,7 +6,7 @@ using System.Linq.Expressions;
 using System.Runtime.CompilerServices;
 using System.Text;
 using System.Text.RegularExpressions;
-using System.Threading.Tasks;
+using System.Threading.Tasks; 
 
 namespace SqlSugar
 {
@@ -514,13 +514,17 @@ namespace SqlSugar
                     if (item.SqlParameterDbType is Type)
                     {
                         continue;
-                    }
+                    } 
                     var parameter = new SugarParameter(this.SqlBuilder.SqlParameterKeyWord + item.DbColumnName, item.Value, item.PropertyType);
                     if (item.IsJson)
                     {
                         parameter.IsJson = true;
                         SqlBuilder.ChangeJsonType(parameter);
                     }
+                    if (item.SqlParameterDbType is System.Data.DbType dbtype)
+                    {
+                        parameter.DbType = dbtype;
+                    }
                     if (item.IsArray)
                     {
                         parameter.IsArray = true;