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 <span><H1>Server Error in '/' Application.<hr width=100% size=1 color=silver></H1>

 <h2> <i>Input string was not in a correct format.</i> </h2></span>

 <font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif ">

 <b> Description: </b>An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

 <br><br>

 <b> Exception Details: </b>System.FormatException: Input string was not in a correct format.<br><br>

 <b>Source Error:</b> <br><br>

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<div dir="ltr">Line 297: if (Request["CuponID"] != null && (Session[CONSTS.SESSION_PREV_AREA_ID] == null || (Session[CONSTS.SESSION_PREV_AREA_ID] == Session[CONSTS.SESSION_AREA_ID_VARIABLE_NAME])))
Line 298: {
<font color=red>Line 299: var coupon = (from c in bizData.BizCupons
</font>Line 300: where c.CuponID == Convert.ToInt32(Request["CuponID"])
Line 301: select c).First();</div></pre></code>

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