/// <summary> /// 更新一条数据 /// </summary> public bool Update(BookShop.Model.UserManager model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update UserManager set "); strSql.Append("UserId=@UserId,"); strSql.Append("UserName=@UserName,"); strSql.Append("UserPwd=@UserPwd"); strSql.Append(" where "); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@UserName", SqlDbType.NVarChar, 50), new SqlParameter("@UserPwd", SqlDbType.VarChar, 20) }; parameters[0].Value = model.UserId; parameters[1].Value = model.UserName; parameters[2].Value = model.UserPwd; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public BookShop.Model.UserManager DataRowToModel(DataRow row) { BookShop.Model.UserManager model = new BookShop.Model.UserManager(); if (row != null) { if (row["UserId"] != null && row["UserId"].ToString() != "") { model.UserId = int.Parse(row["UserId"].ToString()); } if (row["UserName"] != null) { model.UserName = row["UserName"].ToString(); } if (row["UserPwd"] != null) { model.UserPwd = row["UserPwd"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public BookShop.Model.UserManager GetModel() { //该表无主键信息,请自定义主键/条件字段 StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 UserId,UserName,UserPwd from UserManager "); strSql.Append(" where "); SqlParameter[] parameters = { }; BookShop.Model.UserManager model = new BookShop.Model.UserManager(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }