diff --git a/ExcelHelper/ExcelHelper/ExcelHelper.cs b/ExcelHelper/ExcelHelper/ExcelHelper.cs
index bcdbba1..fa448f3 100644
--- a/ExcelHelper/ExcelHelper/ExcelHelper.cs
+++ b/ExcelHelper/ExcelHelper/ExcelHelper.cs
@@ -81,7 +81,7 @@ namespace ExcelHelper
             return pairs;
         }
 
-        private string ConvertValue(Dictionary<string, string> pairs, string key)
+        public string ConvertValue(Dictionary<string, string> pairs, string key)
         {
             if (!pairs.ContainsKey(key))
                 return null;
@@ -89,7 +89,7 @@ namespace ExcelHelper
             return pairs[key];
         }
 
-        private T ConvertValue<T>(Dictionary<string, string> pairs, string key, Func<string, T> func)
+        public T ConvertValue<T>(Dictionary<string, string> pairs, string key, Func<string, T> func)
         {
             if (!pairs.ContainsKey(key) || func == null)
                 return default(T);
@@ -98,7 +98,7 @@ namespace ExcelHelper
             return func(value);
         }
 
-        private DateTime? ConvertValueToDateTime(Dictionary<string, string> pairs, string key)
+        public DateTime? ConvertValueToDateTime(Dictionary<string, string> pairs, string key)
         {
             return ConvertValue<DateTime?>(pairs, key, x =>
             {
diff --git a/ExcelHelper/ExcelHelperFW/ExcelHelper.cs b/ExcelHelper/ExcelHelperFW/ExcelHelper.cs
index 4cfbb2e..3118b77 100644
--- a/ExcelHelper/ExcelHelperFW/ExcelHelper.cs
+++ b/ExcelHelper/ExcelHelperFW/ExcelHelper.cs
@@ -86,7 +86,7 @@ namespace ExcelHelperFW
             return pairs;
         }
 
-        private string ConvertValue(Dictionary<string, string> pairs, string key)
+        public string ConvertValue(Dictionary<string, string> pairs, string key)
         {
             if (!pairs.ContainsKey(key))
                 return null;
@@ -94,7 +94,7 @@ namespace ExcelHelperFW
             return pairs[key];
         }
 
-        private T ConvertValue<T>(Dictionary<string, string> pairs, string key, Func<string, T> func)
+        public T ConvertValue<T>(Dictionary<string, string> pairs, string key, Func<string, T> func)
         {
             if (!pairs.ContainsKey(key) || func == null)
                 return default(T);
@@ -103,7 +103,7 @@ namespace ExcelHelperFW
             return func(value);
         }
 
-        private DateTime? ConvertValueToDateTime(Dictionary<string, string> pairs, string key)
+        public DateTime? ConvertValueToDateTime(Dictionary<string, string> pairs, string key)
         {
             return ConvertValue<DateTime?>(pairs, key, x =>
             {