/// <summary> /// 更新一条数据 /// </summary> public bool Update(WebApi_Model.T_IndexBackGround model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update T_IndexBackGround set "); strSql.Append("PhotoUrl=@PhotoUrl,"); strSql.Append("Descriptions=@Descriptions"); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@PhotoUrl", SqlDbType.NVarChar, 50), new SqlParameter("@Descriptions", SqlDbType.NVarChar, 50), new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = model.PhotoUrl; parameters[1].Value = model.Descriptions; parameters[2].Value = model.ID; int rows = DBHelper.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(WebApi_Model.T_IndexBackGround model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into T_IndexBackGround("); strSql.Append("PhotoUrl,Descriptions)"); strSql.Append(" values ("); strSql.Append("@PhotoUrl,@Descriptions)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@PhotoUrl", SqlDbType.NVarChar, 50), new SqlParameter("@Descriptions", SqlDbType.NVarChar, 50) }; parameters[0].Value = model.PhotoUrl; parameters[1].Value = model.Descriptions; object obj = DBHelper.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public WebApi_Model.T_IndexBackGround DataRowToModel(DataRow row) { WebApi_Model.T_IndexBackGround model = new WebApi_Model.T_IndexBackGround(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["PhotoUrl"] != null) { model.PhotoUrl = row["PhotoUrl"].ToString(); } if (row["Descriptions"] != null) { model.Descriptions = row["Descriptions"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public WebApi_Model.T_IndexBackGround GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,PhotoUrl,Descriptions from T_IndexBackGround "); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; WebApi_Model.T_IndexBackGround model = new WebApi_Model.T_IndexBackGround(); DataSet ds = DBHelper.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }