sql query to get the Column Name from excel .

Question

1.22/5 (2 votes)

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Hello Team,

I am getting the Data from Entity.
I want the column Name From Excel in C#.I wrote the Method as Follows .

C#

private static string[] GetColumnRangeForExcel(IFileLog fileLog)

    {
string[] townNameArray = null;

if (fileLog.FileName) //// Error 245 Cannot implicitly convert type 'string' to 'bool'

{

            townNameArray = "select Town Name from [" + fileLog.FileName + "$]";
            //// Error  246 Cannot implicitly convert type 'string' to 'string[]'

          }
}

its give me error as shown above.Please Guide me how to solve it ??

Thanks
Harshal

Posted 4-Aug-14 3:53am

R Harshal

Updated 5-Aug-14 1:30am

Nirav Prabtani

v5

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Maciej Los · Answer 1 · 2014-08-04T04:03:00

Solution 1

Try:

SQL

SELECT * FROM [Sheet1$A1:A65536]

or

SQL

SELECT [F1] FROM [Sheet1$]

or

SQL

SELECT [NamedColumn] FROM [Sheet1$]

More: How To Use ADO with Excel Data from Visual Basic or VBA[^]

Posted 4-Aug-14 4:03am

Maciej Los

Updated 4-Aug-14 4:04am

v2

Comments

R Harshal 4-Aug-14 10:14am

I have a excel sheet name as follows:
WCEL_DBBH_REPORT_MASTER_HAR_20140803.xls .
In this excel sheet there are 256 columns .I want to select only the last column that is 256 (namely:xyz )
My query will be like
SELECT [xyz] FROM [WCEL_DBBH_REPORT_MASTER_HAR_20140803.xls$]
Is that so .Please let me know.

Thanks
Harshal

Maciej Los 4-Aug-14 10:18am

You need to properly set connection string to workbook: WCEL_DBBH_REPORT_MASTER_HAR_20140803.xls, then you'll be able to fetch data from the Sheet.

R Harshal 4-Aug-14 10:20am

what I need is

sql_query(Query as String;ChosenRange as Range)