SQLServerDAL/XT_ChatLog.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Cms.DBUtility;
using System.Collections;//Please add references
namespace Cms.SQLServerDAL
{
	/// <summary>
	/// 数据访问类:XT_ChatLog
	/// </summary>
	public partial class XT_ChatLog
	{
		public XT_ChatLog()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("Chatid", "XT_ChatLog"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int Chatid)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from XT_ChatLog");
			strSql.Append(" where Chatid=@Chatid");
			SqlParameter[] parameters = {
					new SqlParameter("@Chatid", SqlDbType.Int,4)
			};
			parameters[0].Value = Chatid;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Cms.Model.XT_ChatLog model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into XT_ChatLog(");
			strSql.Append("FromUserName,Worker,ToUserName,SendUserName,OperCode,Time,MsgContent,Remark,CreateTime)");
			strSql.Append(" values (");
			strSql.Append("@FromUserName,@Worker,@ToUserName,@SendUserName,@OperCode,@Time,@MsgContent,@Remark,@CreateTime)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@FromUserName", SqlDbType.NVarChar,100),
					new SqlParameter("@Worker", SqlDbType.NVarChar,100),
					new SqlParameter("@ToUserName", SqlDbType.NVarChar,100),
					new SqlParameter("@SendUserName", SqlDbType.NVarChar,100),
					new SqlParameter("@OperCode", SqlDbType.NVarChar,10),
					new SqlParameter("@Time", SqlDbType.NVarChar,100),