asp.net - IISHandler error does not implement interface member 'System.Web.IHttpHandler.IsReusable', -

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how fix error

error   3   'fmmadminmodule.iishandler1' not implement interface member 'system.web.ihttphandler.isreusable',  error  4   'fmmadminmodule.iishandler1' not implement interface member 'system.web.ihttphandler.processrequest(system.web.httpcontext)'

here handler

 `using system;  using system.web; using system.data; using system.data.sqlclient; using system.web.sessionstate;  namespace fmmadminmodule {     public class iishandler1 : ihttphandler     {         /// <summary>         /// need configure handler in web.config file of          /// web , register iis before being able use it. more information         /// see following link: http://go.microsoft.com/?linkid=8101007               datatable dt;             int key;             byte[] imageout;             public void processrequest(httpcontext context)             {                 httpresponse response = context.response;                 httprequest request = context.request;                 context.response.contenttype = "image/jpeg";                 response.bufferoutput = false;                 // key, index datatable                 key = convert.toint32(request.querystring["ind"]);                 // prepare datatable hold sno key , jpeg image, written out                  dt = new datatable();                 dt = (datatable)context.session["dt"];                 if (!dt.rows[key]["evidence"].equals(null))                 {                     imageout = (byte[])dt.rows[key]["evidence"];                     response.outputstream.write(imageout, 0, imageout.length);                 }             }              public bool isreusable             {                                 {                     return false;                 }             }         }     } }

you've declared class twice. remove iishandler1 class @ top, resulting in this:

using system; using system.web; using system.data; using system.data.sqlclient; using system.web.sessionstate;  namespace fmmadminmodule {         /// <summary>         /// need configure handler in web.config file of          /// web , register iis before being able use it. more information         /// see following link: http://go.microsoft.com/?linkid=8101007         public class imagehandler : ihttphandler, ireadonlysessionstate         {              datatable dt;             int key;             byte[] imageout;             public void processrequest(httpcontext context)             {                 httpresponse response = context.response;                 httprequest request = context.request;                 context.response.contenttype = "image/jpeg";                 response.bufferoutput = false;                 // key, index datatable                 key = convert.toint32(request.querystring["ind"]);                 // prepare datatable hold sno key , jpeg image, written out                  dt = new datatable();                 dt = (datatable)context.session["dt"];                 if (!dt.rows[key]["evidence"].equals(null))                 {                     imageout = (byte[])dt.rows[key]["evidence"];                     response.outputstream.write(imageout, 0, imageout.length);                 }             }              public bool isreusable             {                                 {                     return false;                 }             }         } }

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