A simple ASP.MVC paging control

Paging functionality to achieve a reference to some of the content on the Web, plus some of their own changes, the use of the following methods:

(Since the paging code is basically the same as anyone else's, it's omitted here.) )

Encapsulation extension method

 public static string Pager (this htmlhelper HTML, ipagedata model, BOOL Alwaysshow,bool shownumber) 


         { 


 string text = "<!--does not have any data, so the paging control is not displayed-->"; 


 BOOL show = model. TotalCount > 0 && alwaysshow | | Model. TotalCount > Model. PageSize; 


 if (show) 


             { 


 StringBuilder sb = new StringBuilder (); 


 var requrl = html. ViewContext.RequestContext.HttpContext.Request.Url.ToString (); 


 string link = ""; 


 if (requrl.indexof ("page") >= 0) 


                 { 


 regex re = new regex (@ "page= (\d+)", regexoptions.ignorecase); 


link = Re. Replace (Requrl, "page=%7bpage%7d"); 


                 } 


 Else if (Requrl.indexof ("?") < 0) 


                 { 


 link = requrl + "? page=%7bpage%7d"; 


                 } 


 Else 


                 { 


 link = requrl + "&page=%7bpage%7d"; 


                 } 


 #region generate four buttons 


 Tagbuilder root = new Tagbuilder ("div"); 


 Root.                 addCssClass ("Zuiepager"); 


 Tagbuilder fbtn = new Tagbuilder ("a"); 


 Fbtn.addcssclass ("btn"); 


 Fbtn.mergeattribute ("style", "font-family:webdings;"); 


 fbtn.innerhtml = "9"; 


Tagbuilder pbtn = new Tagbuilder ("a"); 


 Pbtn.addcssclass ("btn"); 


 Pbtn.mergeattribute ("style", "font-family:webdings;"); 


 pbtn.innerhtml = "3"; 


 Tagbuilder nbtn = new Tagbuilder ("a"); 


 Nbtn.addcssclass ("btn"); 


 Nbtn.mergeattribute ("style", "font-family:webdings;"); 


 nbtn.innerhtml = "4"; 


 Tagbuilder lbtn = new Tagbuilder ("a"); 


 Lbtn.addcssclass ("btn"); 


 Lbtn.mergeattribute ("style", "font-family:webdings;"); 


 lbtn.innerhtml = ":"; 


 #endregion 


 int p = model. PageIndex; 


 #region judge the end page 


 if (model. Haspreviouspage) 


{ 


 string pUrl = link. Replace ("%7bpage%7d", (p-1). ToString ()); 


 string fUrl = link. Replace ("%7bpage%7d", (1). ToString ()); 


 fbtn.mergeattribute ("href", fUrl); 


 pbtn.mergeattribute ("href", pUrl); 


                 } 


 Else 


                 { 


 fbtn.mergeattribute ("Disabled", "disabled"); 


 pbtn.mergeattribute ("Disabled", "disabled"); 


                 } 


 if (model. Hasnextpage) 


                 { 


 string nurl = link. Replace ("%7bpage%7d", (P + 1). ToString ()); 


 string lurl = link. Replace ("%7bpage%7d", model. Totalpages.tostring ()); 


Nbtn.mergeattribute ("href", nurl); 


 lbtn.mergeattribute ("href", lurl); 


                 } 


 Else 


                 { 


 nbtn.mergeattribute ("Disabled", "disabled"); 


 lbtn.mergeattribute ("Disabled", "disabled"); 


                 } 


 #endregion 


 sb. Append (Fbtn.tostring ()); 


 sb. Append (Pbtn.tostring ()); 


 #region Generate intermediate digital 


 if (shownumber) 


                 { 


 int begin = p-5; 


 int end = p + 5; 


 if (begin < 1) 


                     { 


 begin = 1; 


 end = 11;


                     } 


 if (End > Model. TotalPages) 


                     { 


 end = model. TotalPages; 


 begin = END > 11? End-10:1; 


                     } 


 for (int i = begin; I <= end; i++) 


                     { 


 Tagbuilder num = new Tagbuilder ("span"); 


 if (p = = i) 


                         { 


 Num. addCssClass ("current"); 


 Num. InnerHtml = i.ToString (); 


                         } 


 Else 


                         { 


 string url = link. Replace ("%7bpage%7d", i.ToString ()); 


Num. addCssClass ("num"); 


 Tagbuilder a = new Tagbuilder ("a"); 


 a.mergeattribute ("href", url); 


 a.innerhtml = i.ToString (); 


 Num. InnerHtml = a.tostring () + ""; 


                         } 


 sb. Append (Num. ToString ()); 


                     } 


                 } 


 #endregion 


 sb. Append (Nbtn.tostring ()); 


 sb. Append (Lbtn.tostring ()); 


 #region Generate page Information 


 Tagbuilder index = new Tagbuilder ("span"); 


 index. addCssClass ("num"); 


 index. InnerHtml = P.tostring (); 


Tagbuilder PageCount = new Tagbuilder ("span"); 


 PageCount. addCssClass ("num"); 


 PageCount. InnerHtml = model. Totalpages.tostring (); 


 Tagbuilder pagesize = new Tagbuilder ("span"); 


 pagesize. addCssClass ("num"); 


 pagesize. InnerHtml = model. Pagesize.tostring (); 


 Tagbuilder count = new Tagbuilder ("span"); 


 count. addCssClass ("num"); 


 count. InnerHtml = model. Totalcount.tostring (); 


 sb. Append (String. Format ("{0} page/total {1} pages per page {2} Records total {3}", index. ToString (), PageCount. ToString (), pagesize. ToString (), Count. ToString ())); 


 Root. InnerHtml = sb. ToString (); 


 Text = root. ToString (); 


 #endregion 


             } 


return text; 


         }