rock well ha scritto:<br><br><div>Hi all i was wondering if there is an equivalent script for wms request for asp script with iis in the below link </div>
  
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<div><a href="http://ms.gis.umn.edu/docs/howto/wms_server">http://ms.gis.umn.edu/docs/howto/wms_server</a>,</div>
  
<div>i am trying to do the same thing in <a href="http://vb.net">vb.net</a> ....</div>
  
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<div>Any suggestions please .....</div>
<br><br>I do:<br><br>public Map  getMap(string queryString)<br>        {<br>            string mapImgUrl = null;<br>            string mapwidth  = null;<br>            string mapheight = null;<br>            string scalebar = null;
<br>            string imgxy = null; //[center] of the image<br>            string imgext = null;<br>            string legend = null;<br>            string referenceMap = null;<br>            <br>            Map map = null; //holds all map value
<br>            <br>            <br>            try {<br>                <br>                HttpWebRequest webRequest = (HttpWebRequest) WebRequest.Create(queryString);<br>                <br>                webRequest.Timeout=10000
;<br>                webRequest.Method = "GET";<br>                // Send the WebRequest and read response<br>                HttpWebResponse webResponse = (HttpWebResponse) webRequest.GetResponse();<br>                Stream sResponse = 
webResponse.GetResponseStream();<br>                StreamReader reader = new StreamReader(sResponse);<br>                <br>                //first line is additional info from MapServer<br>                string header = 
reader.ReadLine();<br>                <br>                if(header == "<HTML>") { //error<br>                    string message = reader.ReadToEnd();<br>                    message += "\n\n\"" + header + message + "\"\n\n";
<br>                    throw new Exception(message);<br>                }<br>                <br>                //actual parameters<br>                XmlDocument xmldoc = new XmlDocument();<br>                string doc = 
reader.ReadToEnd();<br>                xmldoc.LoadXml(doc);<br>                xmldoc.PreserveWhitespace = true;<br>                XmlNode root = xmldoc.DocumentElement;<br>                <br>                mapImgUrl = 
root.SelectSingleNode("img").Attributes["value"].Value;<br>                mapwidth = root.SelectSingleNode("mapwidth").Attributes["value"].Value;<br>                mapheight = root.SelectSingleNode
("mapheight").Attributes["value"].Value;<br>                scalebar = root.SelectSingleNode("scalebar").Attributes["value"].Value;<br>                imgxy = root.SelectSingleNode("imgxy").Attributes["value"].Value;
<br>                imgext = root.SelectSingleNode("imgext").Attributes["value"].Value;<br>                referenceMap = root.SelectSingleNode("referenceMap").Attributes["value"].Value;
<br>                legend = root.SelectSingleNode("legend").InnerText;<br>                <br>                sResponse.Close();<br>                reader.Close();<br>                webResponse.Close();<br>                
<br>                map = new Map(mapImgUrl, mapwidth, mapheight, scalebar, imgxy, imgext, legend, referenceMap);<br>                <br>                sResponse.Close();<br>                reader.Close();<br>                
webResponse.Close();<br>                <br>            } catch (Exception ex) {<br>                throw new Exception("queryString:"+queryString+"\n"+ex.StackTrace);<br>            }<br>            <br>
            return map;<br>            <br>        } //method<br><br>web_template.xml:<br><br><?xml version="1.0" encoding="utf-8" ?><br><map><br> <img value="[img]"/><br> <mapwidth value="[mapwidth]"/>
<br> <mapheight value="[mapheight]"/><br> <scalebar value="[scalebar]"/><br> <referenceMap value="[ref]"/><br> <imgxy value="[center]"/><br> <imgext value="[mapext]"/>
<br> <legend> <br>     <![CDATA[<br>     [legend]<br>     ]]><br> </legend><br></map><br><br><br><br>[Serializable]<br>    public class Map<br>    {<br>        <br>        public string mapImgUrl = "";
<br>        public string mapwidth = "";<br>        public string mapheight = ""; <br>        public string scalebar = ""; <br>        public string imgxy = ""; <br>        public string imgext = ""; 
<br>        public string legend = ""; <br>        public string referenceMap = "";<br>        <br>        public Map(string mapImgUrl, string mapwidth, string mapheight, string scalebar, string imgxy, string imgext, string legend, string referenceMap)
<br>        {<br>            this.mapImgUrl = mapImgUrl;<br>            this.mapwidth = mapwidth;<br>            this.mapheight = mapheight;<br>            this.scalebar = scalebar;<br>            this.imgxy = imgxy;<br>            
this.imgext = imgext;<br>            this.legend = legend;<br>            this.referenceMap = referenceMap;<br>        }<br>    }<br><br>How u do the call depends if u use postbacks or ajax. If ajax, wrap the method with ajax serverside call, and then do javascript  call to that method (this depends on ajax library used, I used AjaxPro). 
<br>If postbacks, u do the work in PageLoad. Take posted parameters from user interface, build the url, call the method above (or similar...), then u can use returned values (image url, extension ecc.) in the Page with classic asp style: <image src="<%= mapUrl%>" /> ecc.
<br><br>Ciao<br>   Piero<br><br>