C#表单登录问题 [英] C# form login problem

问题描述

你好！
如何从数据库中获取一个userId并将其保存到Windows窗体中的变量中.

Hello!
How to get A userId from DB and save it to variable in my windows form .

推荐答案

请参阅下面的链接以获取相关文章和内容；讨论:
使用C#登录表单验证 [启动和登录表单(问题和解决方案) [ ^ ]
c#中登录表单的代码 [

Hi,
Refer the links below for related articles & discussions:
Login Form Validation in C#[^]
Splash and Login Forms (Problems and Solutions)[^]
Code for login form in c#[^]

--Amit

首先，您必须在表中插入"UserID"值.
之后，要检索数据，您必须使用命令
必须从TableName中选择*"之后，您必须插入数据，这意味着将使用此命令保存数据
插入TableName值"

First up all You have to insert the ''UserID'' value into the table.
after that for retrieving the data u have to use command
"select * from TableName" after that u have to insert the data means the data will be saved by using this command
"insert into TableName values"

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