初始化

DB_Server/SQLSERVER_Helper.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DB_Server
+{
+   
+    public class SQLSERVER_Helper
+    {
+        public static DataTable GetDatatable(string con, string sql, params SqlParameter[] par)
+        {
+            using (SqlConnection connection = new SqlConnection(con))
+            {
+                using (SqlDataAdapter sda = new SqlDataAdapter(sql, connection))
+                {
+                    if (par != null && par.Length > 0)
+                    {
+                        sda.SelectCommand.Parameters.AddRange(par);
+                    }
+                    DataTable dt = new DataTable();
+                    sda.Fill(dt);
+                    sda.SelectCommand.Parameters.Clear();
+                    return dt;
+                }
+            }
+        }
+
+        public static int ExecuteSql(string con,string SQLString)
+        {
+            using (SqlConnection connection = new SqlConnection(con))
+            {
+                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
+                {
+                    try
+                    {
+                        connection.Open();
+                        int rows = cmd.ExecuteNonQuery();
+                        return rows;
+                    }
+                    catch (SqlException e)
+                    {
+                        connection.Close();
+                        throw e;
+                    }
+                }
+            }
+        }
+
+    }
+}