小编kal*_*lag的帖子

任何人都可以帮助我这个正则表达式:

AB + CD

我尝试了这个公式[AZ] [AZ] + [AZ] [AZ],但它返回了错误匹配

任何人？

将 Windows 8 升级到 Windows 8.1 后，构建 Visual Studio 2005 时出错

这是错误。

    Task failed because "LC.exe" was not found, or the .NET Framework SDK v2.0 is not installed.  The task is looking for "LC.exe" in the "bin" subdirectory beneath the location specified in the SDKInstallRootv2.0 value of the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework.  You may be able to solve the problem by doing one of the following:  
    1.) Install the .NET Framework SDK v2.0.  
    2.) Manually set the above registry key to …

只想在输入时询问如何将文本设置为全部大写 textbox

我试过这个,但它不起作用.

void txt_AllCaps(object sender, KeyPressEventArgs e)
{
       string s = (sender as TextBox).Text.ToString().ToUpper();
       (sender as TextBox).Text = s;
}