sqlbulkcopy - Sqlbulk copy truncates first column records -


please trying make bulk copy excel sheet sql server. done first column records truncated, replacing second column records. leaves last column records null. enter image description here

[the sql table][the excel sheet]

below codes used;

dim koneksi_excel new system.data.oledb.oledbconnection("provider=microsoft.ace.oledb.12.0; data source='" & textbox1.text & " '; extended properties=""excel 12.0 xml;hdr=yes; imex=1""")

    koneksi_excel.open()     dim query_excel string = "select * [sheet1$]"      dim cmd oledbcommand = new oledbcommand(query_excel, koneksi_excel)      dim rd oledbdatareader      dim koneksi new sqlconnection()      if mysqlconnectionstring.state = connectionstate.closed         mysqlconnectionstring.open()     end if        using bulkcopy sqlbulkcopy = new sqlbulkcopy(mysqlconnectionstring) 'koneksi          bulkcopy.destinationtablename = "dbo.contacttb"          try              rd = cmd.executereader             bulkcopy.writetoserver(rd)             rd.close()             ' koneksi.close()              metromessagebox.show(me, "data import succesful", "done!!", messageboxbuttons.ok, messageboxicon.information)             textbox1.text = ""             dim da new sqldataadapter             dim ds new dataset             dim gets string = "select * contacttb"             da.selectcommand = new sqlcommand(gets, mysqlconnectionstring)             da.fill(ds, "contacttb")             metrogrid1.datasource = ds.tables(0)         catch ex exception             messagebox.show(ex.tostring)                     mysqlconnectionstring.close()         end try     end using


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