Common projects and projects

Common projects and projects

1. Paging Data Model: PagedDataModel. cs

Usage: encapsulate paging data into a class.

Public class PagedDataModel <T >{/// <summary> // total number of pages /// </summary> public int PageCount; /// <summary> /// total number of rows /// </summary> public int RowCount; /// <summary> /// current page number /// </summary> public int PageIndex; /// <summary> /// current page data /// </summary> public IList <T> PagedList ;}

2. Data help class: DataHelper. cs

Usage: process the data and return it in a certain format.

Public static class DataHelper {// <summary> // js serializer // </summary> static JavaScriptSerializer jss = new JavaScriptSerializer (); /// <summary> /// convert the object to a json array string // </summary> /// <param name = "obj"> </param>/ // <returns> </returns> public static string ObjToJson (object obj) {return jss. serialize (obj );} /// <summary> /// return the MD5 encrypted string /// </summary> /// <param name = "str"> </param> /// <returns> </returns> public static string MD5 (string str) {return System. web. security. formsAuthentication. hashPasswordForStoringInConfigFile (str, FormsAuthPasswordFormat. MD5.ToString ());}}

3. Page help class: PageHelper. cs

Usage: When displaying js information to the front-end

Public class PageHelper {/// <summary> /// read the file in the specified path, returns the string format /// </summary> /// <param name = "strPath"> file path-physical path </param> /// <returns> </returns> public static string ReadFile (string strPath) {return File. readAllText (strPath );} /// <summary> /// get the prompt and jump to the js Code string // </summary> /// <param name = "strMsg"> </param> // /<param name = "strBackUrl"> </param> public static void WriteJSMsg (string strMsg, string strBackUrl) {string strBack = "<script> alert (" + strMsg + "); window. location = '"+ strBackUrl +"'; </script> "; HttpContext. current. response. write (strBack );} /// <summary> /// jump to the js Code string /// </summary> /// <param name = "strMsg"> </param> public static void WriteJSMsg (string strMsg) {string strBack = "<script> alert (" + strMsg + "); </script>"; HttpContext. current. response. write (strBack );}}

4. Verify the help class: ValidateHelper. cs

Use: verify data

Public class ValidateHelper {static Regex regIsNum = new Regex ("^ [0-9] + $ "); /// <summary> /// check whether the parameter is an integer value. /// </summary> /// <param name = "strNum"> </param> /// <returns> </returns> public static bool IsNum (string strNum) {return regIsNum. isMatch (strNum );}}

5. asynchronous message processing class AjaxMsgHelper. cs

Usage: return the information to be returned in the form of certain content.

Public static class AjaxMsgHelper {// <summary> // return the message in json format /// </summary> /// <param name = "statu"> Status Code </param> /// <param name = "msg"> status information </param> /// <param name = "data"> return data </param> // /<param name = "nextUrl"> jump url </param> public static void AjaxMsg (string statu, string msg, string data, string nextUrl) {// {"statu": "err", "msg": "error", "data ":[{}, {}], "nextUrl": "Login. aspx "} string strMsg =" {\ "sta Tu \ ": \" "+ statu +" \ ", \" msg \ ": \" "+ msg +" \ ", \" data \": "+ (data = null? "Null": data) + ", \" nextUrl \ ": \" "+ nextUrl +" \ "}"; HttpContext. current. response. write (strMsg);} public static void AjaxMsg (string statu, string msg, string data) {AjaxMsg (statu, msg, data, "null ");} public static void AjaxMsg (string statu, string msg) {AjaxMsg (statu, msg, null, null );}}