Thursday 15 July 2010

vb.net - VB Read file and set combobox.text value with text file value -



vb.net - VB Read file and set combobox.text value with text file value -

i have configuration file saved values:

com port=com4

baud rate=

bits=

parity=

stop bits=

mode=

crc byte=

when load form read txt file , write values combo box initialize form values.

this code have far:

private sub form2_load(sender object, e eventargs) handles mybase.load dim configfile string dim path string dim writetext string dim configval string() ' msgbox("form load") path = application.startuppath 'configfile = path + "\comconfig.txt" configfile = "c:\users\wlowe\documents\comconfig.txt" ' if' not system.io.file.exists(configfile) = false ' system.io.file.create(configfile).dispose() 'end if ' load configuration values dim objreader new system.io.streamreader(configfile, true) writetext = objreader.readline() comcombo.text = writetext 'msgbox(objreader.readline().tostring) configval = writetext.split("=") msgbox(configval(1)) comcombo.text = configval(1) writetext = objreader.readline() baudratecombo.text = writetext bitscombo.text = objreader.readline() paritycombo.text = objreader.readline() stopbitscombo.text = objreader.readline() modecombo.text = objreader.readline() crccombo.text = objreader.readline() objreader.close() end sub

but when form loaded, values each combo box blank.

any help appreciated.

vb.net combobox text-files

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