basic test, fix

MSSQLServer_Console/MSSQLServer_Console.sln

@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MSSQLServer_Console", "MSSQ
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PSqlServerWrapper", "PSqlSeverWrapper\PSqlServerWrapper.csproj", "{34E74A48-F0B4-4F7F-9827-11AA4E0052D0}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MSSQLServer_Form", "MSSQLServer_Form\MSSQLServer_Form.csproj", "{ECBD649D-C7BE-4B59-A75C-CF6B00F5CAE5}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{34E74A48-F0B4-4F7F-9827-11AA4E0052D0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{34E74A48-F0B4-4F7F-9827-11AA4E0052D0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{34E74A48-F0B4-4F7F-9827-11AA4E0052D0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ECBD649D-C7BE-4B59-A75C-CF6B00F5CAE5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ECBD649D-C7BE-4B59-A75C-CF6B00F5CAE5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ECBD649D-C7BE-4B59-A75C-CF6B00F5CAE5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ECBD649D-C7BE-4B59-A75C-CF6B00F5CAE5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

MSSQLServer_Console/MSSQLServer_Console/Program.cs

@@ -1,7 +1,9 @@
 using PSqlSeverWrapper;
 using System;
 using System.Collections.Generic;
+using System.Data;
 using System.Data.SqlClient;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,6 +12,8 @@ namespace MSSQLServer_Console
 {
 	class Program
 	{
+		static Stopwatch watch = new Stopwatch();
+
 		static void Main(string[] args)
 		{
 			PSqlServer.ServerName = "peacecloud.synology.me,21433";
@@ -26,6 +30,26 @@ namespace MSSQLServer_Console
 
 			//Console.WriteLine("table create.");
 
+			using (SqlConnection conn = PSqlServer.Connection)
+			{
+				conn.Open();
+				string query = "SELECT * FROM member;";
+				SqlDataAdapter adapter = PSqlServer.GetAdapterSelectQuery(conn, query);
+				DataTable dt = new DataTable();
+				adapter.Fill(dt);
+
+				Console.WriteLine($"Row: {dt.Rows.Count}");
+
+				foreach (DataRow row in dt.Rows)
+				{
+					row.Delete();
+				}
+				adapter.Update(dt);
+
+				Console.WriteLine($"Rows are cleared");
+			}
+
+
 			Random rnd = new Random();
 			//using (SqlConnection conn = PSqlServer.Connection)
 			//{
@@ -42,18 +66,42 @@ namespace MSSQLServer_Console
 			//	conn.Close();
 			//}
 
-			string[] queries = new string[2000];
-			for (int i = 0; i < 2000; i++)
-			{
-				string guid = Guid.NewGuid().ToString();
-				int age = rnd.Next(1, 100);
-				string name = $"Robo#{i + 1}";
-				queries[i] = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
-			}
+			//watch.Restart();
+
+			//string[] queries = new string[2000];
+			//for (int i = 0; i < 2000; i++)
+			//{
+			//	string guid = Guid.NewGuid().ToString();
+			//	int age = rnd.Next(1, 100);
+			//	string name = $"Robo#{i + 1}";
+			//	queries[i] = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
+			//}
+
+			//watch.Restart();
+			//PSqlServer.ExecuteQuery(queries);
+			//Debug.WriteLine($"Case1: {watch.ElapsedMilliseconds}ms");
+
+			//watch.Restart();
+			//DataTable table = new DataTable();
+			//table.Columns.AddRange(new DataColumn[] { new DataColumn("name", typeof(string)), new DataColumn("age", typeof(int)), new DataColumn("guid", typeof(string)) });
+			//for (int i = 0; i < 2000; i++)
+			//{
+			//	string guid = Guid.NewGuid().ToString();
+			//	int age = rnd.Next(1, 100);
+			//	string name = $"Robo#{i + 1}";
+			//	DataRow dataRow = table.NewRow();
+			//	dataRow["name"] = name;
+			//	dataRow["age"] = age;
+			//	dataRow["guid"] = guid;
+			//	table.Rows.Add(dataRow);
+			//}
 
-			PSqlServer.ExecuteQuery(queries);
+			//PSqlServer.BulkCopy("member", table);
+			//Debug.WriteLine($"Case2: {watch.ElapsedMilliseconds}ms");
 
 			Console.WriteLine("finish");
+
+			Console.ReadKey();
 		}
 	}
 }

MSSQLServer_Console/PSqlSeverWrapper/PSqlServer.cs

@@ -31,136 +31,132 @@ namespace PSqlSeverWrapper
                 if (!CheckBasicInfo())
                     throw new ArgumentException("Invalid connection info");
 
-				try
-				{
                 return new SqlConnection(ConnString);
-				}
-				catch (Exception ex)
-				{
-                    Debug.WriteLine(ex.ToString());
-                    throw;
-				}
             }
 		}
 
         public static void ExecuteQuery(string query)
 		{
-            try
-			{
             using (SqlConnection conn = Connection)
 			{
-                    conn.Open();
                 SqlCommand command = new SqlCommand(query, conn);
+
+                conn.Open();
                 command.ExecuteNonQuery();
-                    Connection.Close();
-				}
-			}
-            catch (Exception ex)
-			{
-                Debug.WriteLine(ex.ToString());
-                throw;
+                conn.Close();
             }
 		}
 
         public static void ExecuteQuery(SqlConnection openedConn, string query)
-		{
-			try
 		{
             SqlCommand command = new SqlCommand(query, openedConn);
             command.ExecuteNonQuery();
-            }
-			catch (Exception ex)
-			{
-                Debug.WriteLine(ex.ToString());
-                throw;
-			}
         }
 
         public static void ExecuteQueryAsync(SqlConnection openedConn, string query)
-        {
-			try
         {
             SqlCommand command = new SqlCommand(query, openedConn);
             command.ExecuteNonQueryAsync();
         }
-			catch (Exception ex)
-			{
-                Debug.WriteLine(ex.ToString());
-                throw;
-			}
-        }
 
         public static void ExecuteQuery(string[] queries)
-		{
-			try
         {
             using (SqlConnection conn = Connection)
 			{
                 conn.Open();
-                    ExecuteQuery(conn, "BEGIN TRAN;");
+                SqlTransaction trans = conn.BeginTransaction();
 
+                try
+				{
                     for (int i = 0; i < queries.Length; i++)
                     {
                         SqlCommand command = new SqlCommand(queries[i], conn);
+                        command.Transaction = trans;
                         command.ExecuteNonQuery();
                     }
 
-                    ExecuteQuery(conn, "COMMIT TRAN;");
-                    Connection.Close();
-				}
+                    trans.Commit();
                 }
                 catch (Exception ex)
 				{
-                Debug.WriteLine(ex.ToString());
-                throw;
+                    Debug.WriteLine(ex);
+                    trans.Rollback();
+				}
+
+                conn.Close();
             }
         }
 
-        public static void ExecuteQueryAsync(string query)
+        public static void BulkCopy(string tableName, DataTable table, string[] dbColumnMap = null)
 		{
-            try
+            using (SqlConnection conn = Connection)
+			{
+                SqlBulkCopy sqlBulkCopy = new SqlBulkCopy(conn);
+                sqlBulkCopy.DestinationTableName = tableName;
+                if (dbColumnMap != null && table.Columns.Count == dbColumnMap.Length)
+                {
+                    for (int i = 0; i < table.Columns.Count; i++)
+                    {
+                        string colName = table.Columns[i].ColumnName;
+                        sqlBulkCopy.ColumnMappings.Add(colName, dbColumnMap[i]);
+                    }
+                }
+
+                conn.Open();
+                sqlBulkCopy.WriteToServer(table);
+                conn.Close();
+            }
+        }
+
+        public static void BulkCopyAsync(string tableName, DataTable table, string[] dbColumnMap = null)
         {
             using (SqlConnection conn = Connection)
             {
+                SqlBulkCopy sqlBulkCopy = new SqlBulkCopy(conn);
+                sqlBulkCopy.DestinationTableName = tableName;
+                if (dbColumnMap != null && table.Columns.Count == dbColumnMap.Length)
+                {
+                    for (int i = 0; i < table.Columns.Count; i++)
+                    {
+                        string colName = table.Columns[i].ColumnName;
+                        sqlBulkCopy.ColumnMappings.Add(colName, dbColumnMap[i]);
+                    }
+                }
+
                 conn.Open();
-                    SqlCommand command = new SqlCommand(query, conn);
-                    command.ExecuteNonQueryAsync();
-                    Connection.Close();
+                sqlBulkCopy.WriteToServerAsync(table);
+                conn.Close();
             }
         }
-            catch (Exception ex)
+
+        public static void ExecuteQueryAsync(string query)
+		{
+            using (SqlConnection conn = Connection)
 			{
-                Debug.WriteLine(ex.ToString());
-                throw;
+                SqlCommand command = new SqlCommand(query, conn);
+
+                conn.Open();
+                command.ExecuteNonQueryAsync();
+                conn.Close();
             }
         }
 
         public static DataSet ExecuteSelectQuery(string query)
-		{
-            try
 		{
             using (SqlConnection conn = Connection)
             {
+                SqlDataAdapter adapter = new SqlDataAdapter(query, conn);
                 DataSet dataSet = new DataSet();
 
                 conn.Open();
-                    SqlDataAdapter adapter = new SqlDataAdapter(query, conn);
                 adapter.Fill(dataSet);
-                    Connection.Close();
+                conn.Close();
 
                 return dataSet;
             }
         }
-            catch (Exception ex)
-            {
-                Debug.WriteLine(ex.ToString());
-                throw;
-            }
-        }
 
         public static DataSet ExecuteSelectQuery(SqlConnection openedConn, string query)
-        {
-			try
         {
             DataSet dataSet = new DataSet();
             SqlDataAdapter adapter = new SqlDataAdapter(query, openedConn);
@@ -168,16 +164,8 @@ namespace PSqlSeverWrapper
 
             return dataSet;
         }
-			catch (Exception ex)
-			{
-                Debug.WriteLine(ex.ToString());
-                throw;
-			}
-        }
 
         public static SqlDataAdapter GetAdapterSelectQuery(SqlConnection openedConn, string query, bool withCommandBuilder = true)
-        {
-			try
         {
             SqlDataAdapter adapter = new SqlDataAdapter(query, openedConn);
             if (withCommandBuilder)
@@ -190,12 +178,6 @@ namespace PSqlSeverWrapper
 
             return adapter;
         }
-			catch (Exception ex)
-			{
-                Debug.WriteLine(ex.ToString());
-                throw;
-			}
-        }
 
         private static bool CheckBasicInfo()
 		{