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"FormatException was unhandled" Input string was not in a correct format.

Submitted by vaibhav on Wed, 09/23/2009 - 00:11
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Hi ! Here I am trying to write a function that returns me value based on the following condition... IF Variable is NULL return me DBNull.Value ELSE Convert Variable into DataType whose DataTypeCode has been provided to me as a parameter of function. Now while converting a variable into required DataType an exception is thrown "FormatException was unhandled". Input string was not in a correct format. How do I resolve this error please help. Here is my code...

public object ReturnDBNullOrRequiredDatatype(object IsThisObjectANull, TypeCode DataTypeCode)
 
{
     if (Convert.IsDBNull(IsThisObjectANull) == true)
                return DBNull.Value;
    else
              return Convert.ChangeType(IsThisObjectANull, DataTypeCode);
 
}
 

Thanks in Advance

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