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New Message on BDOTNET

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From: surajmsn
Message 1 in Discussion

hi , i am new to C# , since MS has given already tried and tested application blocks 
for Application Development e.g the Data Acces Application Block.. i am using it in my 
application... but....... i am getting this error in SQL-helper Block , i am passing 
the parameters as below, 
************************************************************** arParms[0] = new 
System.Data.SqlClient.SqlParameter("@si_code", System.Data.SqlDbType.VarChar , 12 ); 
   arParms[0].Value = 's01'; 
ds=SqlHelper.ExecuteDataset(StrCon,"sp_sisearch", arParms);  
**************************************************************   I am Getting the 
below error at runtime........ 
**************************************************************
An unhandled exception of type 'System.InvalidCastException' occurred in 
system.data.dll Additional information: Object must implement IConvertible.
**************************************************************   Please Help Me.....   
Regards suraj

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