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problem in retrieving data from excel  RSS feed

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Hi . I am reading an excel file by jdbc dbc connection.While retrieving the data i am using the method resultSet.getString(column); But the problem is that if any column (say column 2)has data as String at any row(say row 3 column 2) and data as number e.g 345 in another row(row 5 column 2) then the method

is returning value null for the row 5 i.e row containing numerical data,time data etc.The data type of all the column is Text(Varchar) Can any one help me how to retrieve data from a column of Excel sheet having such datas. I have used getDouble() and all other methods of resultSet also. For more information i should say that datatype of meta data is VARCHAR(=text) Regards Aminur
It is sorta covered in the JavaRanch Style Guide.
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