diff --git a/Src/Asp.Net/SqlServerTest/_OldTest/UnitTest/UnitTestBase.cs b/Src/Asp.Net/SqlServerTest/_OldTest/UnitTest/UnitTestBase.cs
index 899eadaea..bb1c6c03a 100644
--- a/Src/Asp.Net/SqlServerTest/_OldTest/UnitTest/UnitTestBase.cs
+++ b/Src/Asp.Net/SqlServerTest/_OldTest/UnitTest/UnitTestBase.cs
@@ -2,6 +2,8 @@
 using System.Collections.Generic;
 using SqlSugar;
 using System.Linq;
+using SqlSugar.Extensions;
+
 namespace OrmTest.UnitTest
 {
     public class UnitTestBase
diff --git a/Src/Asp.Net/SqlSugar/SqlSugar.csproj b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
index 07056500b..d9780a8fb 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
@@ -253,6 +253,7 @@
     <Compile Include="Utilities\Check.cs" />
     <Compile Include="Utilities\DbExtensions.cs" />
     <Compile Include="Utilities\ErrorMessage.cs" />
+    <Compile Include="Utilities\UtilExtensions.cs" />
     <Compile Include="Utilities\UtilRandom.cs" />
     <Compile Include="Utilities\ValidateExtensions.cs" />
     <Compile Include="Utilities\UtilConstants.cs" />
diff --git a/Src/Asp.Net/SqlSugar/Utilities/UtilExtensions.cs b/Src/Asp.Net/SqlSugar/Utilities/UtilExtensions.cs
new file mode 100644
index 000000000..df0bf98e1
--- /dev/null
+++ b/Src/Asp.Net/SqlSugar/Utilities/UtilExtensions.cs
@@ -0,0 +1,123 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+namespace SqlSugar.Extensions
+{
+    /// <summary>
+    ///Common Extensions for external users
+    /// </summary>
+    public static class UtilExtensions
+    {
+        public static int ObjToInt(this object thisValue)
+        {
+            int reval = 0;
+            if (thisValue == null) return 0;
+            if (thisValue is Enum)
+            {
+                return (int)thisValue;
+            }
+            if (thisValue != null && thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return reval;
+        }
+
+        public static int ObjToInt(this object thisValue, int errorValue)
+        {
+            int reval = 0;
+            if (thisValue is Enum)
+            {
+                return (int)thisValue;
+            }
+            if (thisValue != null && thisValue != DBNull.Value && int.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return errorValue;
+        }
+
+        public static double ObjToMoney(this object thisValue)
+        {
+            double reval = 0;
+            if (thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return 0;
+        }
+
+        public static double ObjToMoney(this object thisValue, double errorValue)
+        {
+            double reval = 0;
+            if (thisValue != null && thisValue != DBNull.Value && double.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return errorValue;
+        }
+
+        public static string ObjToString(this object thisValue)
+        {
+            if (thisValue != null) return thisValue.ToString().Trim();
+            return "";
+        }
+
+        public static string ObjToString(this object thisValue, string errorValue)
+        {
+            if (thisValue != null) return thisValue.ToString().Trim();
+            return errorValue;
+        }
+
+        public static Decimal ObjToDecimal(this object thisValue)
+        {
+            Decimal reval = 0;
+            if (thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return 0;
+        }
+
+        public static Decimal ObjToDecimal(this object thisValue, decimal errorValue)
+        {
+            Decimal reval = 0;
+            if (thisValue != null && thisValue != DBNull.Value && decimal.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return errorValue;
+        }
+
+        public static DateTime ObjToDate(this object thisValue)
+        {
+            DateTime reval = DateTime.MinValue;
+            if (thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out reval))
+            {
+                reval = Convert.ToDateTime(thisValue);
+            }
+            return reval;
+        }
+
+        public static DateTime ObjToDate(this object thisValue, DateTime errorValue)
+        {
+            DateTime reval = DateTime.MinValue;
+            if (thisValue != null && thisValue != DBNull.Value && DateTime.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return errorValue;
+        }
+
+        public static bool ObjToBool(this object thisValue)
+        {
+            bool reval = false;
+            if (thisValue != null && thisValue != DBNull.Value && bool.TryParse(thisValue.ToString(), out reval))
+            {
+                return reval;
+            }
+            return reval;
+        }
+    }
+}