I am getting invalid sheetname from Excel file using OleDb. What's wrong?

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C#

string path = Server.MapPath("~/myfolder/myfile.xlsx");
string connExcel= "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=\"Excel 12.0;HDR=NO;IMEX=1\";";
 connExcel.Open();
            DataTable dtExcelSchema;
            dtExcelSchema = connExcel.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
            string SheetName = dtExcelSchema.Rows[0]["TABLE_NAME"].ToString();
            connExcel.Close();
sting query ="Select * From [" + SheetName + "]";

Posted 29-Apr-15 1:55am

Member 11458121

Updated 29-Apr-15 3:04am

Maciej Los

v4

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ZurdoDev 29-Apr-15 8:22am

What is the value of SheetName?

Sinisa Hajnal 29-Apr-15 8:59am

Check the values you get, both in dtExcelSchema, number of rows, sheetName etc..

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Maciej Los · Answer 1 · 2015-04-29T03:06:00

Replace:

C#

sting query ="Select * From [" + SheetName + "]";

with:

SQL

sting query =@"Select * From [" + SheetName + "$]";

For further information, please see:
http://www.connectionstrings.com/excel/[^]
Accessing Microsoft Office Data from .NET Applications[^] - note that some piece of information is obsolete.

Member 11458121 · Answer 2 · 2015-04-30T20:44:00

thanks to all for this regard
please tell me one more query
i am making a excelfile xyz from datatable dt but its have converted all datatypes.
datatable dt => excel file xyz
i Have to create a txtbox to read excelfile xyz query.
txt.text = "Select * from["+sheetname+"$] where col>9";
how to do??????
col(string) =>col(decimal)

I am getting invalid sheetname from Excel file using OleDb. What's wrong?

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