代码将数据库中的字段与txt文件进行比较 [英] code compare a field in the database with the txt file

问题描述

我们如何将数据库中的字段与vb.net中的txt文件进行比较

How do we compare a field in the database with the txt file in vb.net

推荐答案

您好，

如果要将文本文件数据与数据库"字段值进行比较，请执行以下操作:

首先，从文本文件中读取值并将其存储在变量中(例如:

Hi,

if you want to compare the text file data with Database field value, then do the following things:

first of all, read the value from text file and store it in a variable (Say:

sTextFileData

)，为此请参见以下链接:

http://www.freevbcode.com/ShowCode.asp?ID=4492 [ ^ ]

http://www.techrepublic.com/article/使用visual-basic-net/1045309读取和写入文本文件 [

), for this see following links:

http://www.freevbcode.com/ShowCode.asp?ID=4492[^]

http://www.techrepublic.com/article/read-and-write-text-files-with-visual-basic-net/1045309[^]

Now fetch the data of that field from database,
to do this see the following link and store the data in a variable (Say

sSQLData

)
http://www.startvbdotnet.com/ado/sqlserver.aspx [

)
http://www.startvbdotnet.com/ado/sqlserver.aspx[^]


Now simply, compare the two variables:

sTextFileData

和

and

sSQLData

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