added first save method

Author: mourier

src/GenericSQLEntityHandler/SQLHandler.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Data.SqlClient;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -8,5 +9,29 @@ namespace GenericSQLEntityHandler
 {
     public static class SQLHandler
     {
+        #region Save Methods
+        /// <summary>
+        /// Save a single entity to the database
+        /// </summary>
+        /// <param name="connString">connection string</param>
+        /// <param name="entity">entity that needs to be committed to the database</param>
+        /// <param name="keys"></param>
+        /// <param name="identity">coloumn in database the represents the id</param>
+        /// <param name="tableName">name of sqltable - if null, will use entitytype name as tablename</param>
+        /// <typeparam name="T">entity type</typeparam>
+        /// <returns>true or false for success status</returns>
+        public static bool Save<T>(string connString, T entity, string[] keys = null, string identity = "Id", string tableName = null) where T : class
+        {
+            if (keys == null || keys.Length == 0)
+                keys = new[] { identity };
+
+            using (SqlConnection connection = new SqlConnection(connString))
+            {
+                connection.Open();
+                GenericSQLEntityHandler entityDataHandler = new GenericSQLEntityHandler(connection);
+                return entityDataHandler.SaveEntity(entity, tableName ?? typeof(T).Name, keys, SaveType.InsertOrUpdate, identity);
+            }
+        }
+        #endregion Save Methods
     }
 }