[FormatException: Invalid length for a Base-64 char array or string.]
System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength) +14474717
System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength) +131
System.Convert.FromBase64String(String s) +50
colleges.App_Code.helperClass.Base64Decode(String base64EncodedData) in D:\OneDrive\Documents\SchoolProject\SchoolProject\colleges\App_Code\helperClass.cs:316
lambda_method(Closure ) +141
[TargetInvocationException: Exception has been thrown by the target of an invocation.]
System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) +0
System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) +269
System.Delegate.DynamicInvokeImpl(Object[] args) +160
System.Data.Linq.CommonDataServices.GetKeyFromPredicate(MetaType type, Dictionary`2 keys, Expression mex, Expression vex) +565
System.Data.Linq.CommonDataServices.GetKeysFromPredicate(MetaType type, Dictionary`2 keys, Expression expr) +330
System.Data.Linq.CommonDataServices.GetKeyValues(MetaType type, LambdaExpression predicate) +114
System.Data.Linq.CommonDataServices.GetCachedObject(Expression query) +730
System.Data.Linq.SqlClient.SqlProvider.GetCachedResult(Expression query) +72
System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +107
System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +51
colleges.Default.getpage(pagesTbl dr) in D:\OneDrive\Documents\SchoolProject\SchoolProject\colleges\Default.aspx.cs:190
colleges.Default.Page_Load(Object sender, EventArgs e) in D:\OneDrive\Documents\SchoolProject\SchoolProject\colleges\Default.aspx.cs:57
System.Web.UI.Control.OnLoad(EventArgs e) +108
System.Web.UI.Control.LoadRecursive() +90
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533
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