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POGetExpressCheckoutDetails returns session expired (10411 error) in asp.net (only on some computers)
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  1. POGetExpressCheckoutDetails returns session expired (10411 error) in asp.net (only on some computers)
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    copied!<p>I got Paypal integrated in my asp.net web site, Its works perfectly on some computers, while others it doesnt.</p> <p><strong>EDIT: found the problem</strong> but looking for a solution </p> <p>The problem is as fallowing:</p> <p>Things seem to work fine I can pay with paypal and then when it calls GetExpressCheckoutDetails it returns <strong>10411 error</strong> '<strong>this express checkout session has expired'</strong></p> <p>I call GetExpressCheckoutDetails with the fallowing code:</p> <pre><code>public bool GetDetails(string token, ref NVPCodec decoder, ref string retMsg) { if (bSandbox) { pendpointurl = pendpointurl_SB; host = host_SB; SetCredentials(APIUsername_SB, APIPassword_SB, APISignature_SB); } NVPCodec encoder = new NVPCodec(); encoder["METHOD"] = "GetExpressCheckoutDetails"; encoder["TOKEN"] = token; string pStrrequestforNvp = encoder.Encode(); string pStresponsenvp = HttpCall(pStrrequestforNvp); decoder = new NVPCodec(); decoder.Decode(pStresponsenvp); string strAck = decoder["ACK"].ToLower(); if (strAck != null &amp;&amp; (strAck == "success" || strAck == "successwithwarning")) { return true; } else { retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&amp;" + "Desc=" + decoder["L_SHORTMESSAGE0"] + "&amp;" + "Desc2=" + decoder["L_LONGMESSAGE0"]; return false; } } </code></pre> <p>This only happens on <strong>some computers</strong>... and it happens right away not the session should not expire yet.</p> <p>Any idea what I did wrong? Can any one please please help???</p> <p>Thank you very very much!</p>
 

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