Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "MetroUI" and then click OK
Step 2: Right click on your project select Manage NuGet Packages -> Search metro framework -> Install
Step 3: Design your form as below
Form1

frmAddEditStudent

You need to change inherit Form1 and frmAddEditStudent to MetroFramework.Forms.MetroForm
public partial class Form1 : MetroFramework.Forms.MetroForm
{
//....
}
public partial class frmAddEditStudent : MetroFramework.Forms.MetroForm
{
//....
}
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