代码修改后的版本，全部提交

Mtxfw.DAL/host.cs

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+using System;
+using System.Data;
+using System.Text;
+using System.Data.SqlClient;
+
+namespace Mtxfw.DAL
+{
+	/// <summary>
+	/// <20><><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD><EFBFBD><EFBFBD>:host
+	/// </summary>
+    public partial class host : Mtxfw.Utility.Myabstract
+    {
+        public host()
+            : base("host")
+        { }
+
+       
+        /// <summary>
+        /// <20>õ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>
+        /// </summary>
+        public int GetId(string hostname)
+        {
+
+            StringBuilder strSql = new StringBuilder();
+            strSql.Append("select  top 1 * from host ");
+            strSql.Append(" where hostname=@hostname");
+            SqlParameter[] parameters = {
+					new SqlParameter("@hostname", SqlDbType.VarChar,50)};
+            parameters[0].Value = hostname;
+            int id = 0;
+            DataSet ds = Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString(), parameters);
+            if (ds.Tables[0].Rows.Count > 0)
+            {
+                id = int.Parse(ds.Tables[0].Rows[0]["Id"].ToString());
+            }
+            return id;
+        }
+       
+        /// <summary>
+        /// ɾ<><C9BE>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        /// </summary>
+        public bool Delete(int Id)
+        {
+
+            StringBuilder strSql = new StringBuilder();
+            strSql.Append("delete from host ");
+            strSql.Append(" where Id=@Id");
+            SqlParameter[] parameters = {
+					new SqlParameter("@Id", SqlDbType.Int,4)
+};
+            parameters[0].Value = Id;
+
+            int rows = Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(strSql.ToString(), parameters);
+            if (rows > 0)
+            {
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+       
+
+
+        /// <summary>
+        /// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
+        /// </summary>
+        public DataSet GetList(string strWhere)
+        {
+            StringBuilder strSql = new StringBuilder();
+            strSql.Append("select * ");
+            strSql.Append(" FROM host ");
+            if (strWhere.Trim() != "")
+            {
+                strSql.Append(" where " + strWhere);
+            }
+            return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
+        }
+
+        /// <summary>
+        /// <20><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        /// </summary>
+        public DataSet GetList(int Top, string strWhere, string filedOrder)
+        {
+            StringBuilder strSql = new StringBuilder();
+            strSql.Append("select ");
+            if (Top > 0)
+            {
+                strSql.Append(" top " + Top.ToString());
+            }
+            strSql.Append(" * ");
+            strSql.Append(" FROM host ");
+            if (strWhere.Trim() != "")
+            {
+                strSql.Append(" where " + strWhere);
+            }
+            strSql.Append(" order by " + filedOrder);
+            return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
+        }
+
+        
+    }
+}
+