Migration.cs

protected override void Up(MigrationBuilder migrationBuilder)
{
    migrationBuilder.CreateTable(
        name: "TPHUsers",
        columns: table => new
        {
            Id = table.Column<int>(type: "int", nullable: false)
                .Annotation("SqlServer:Identity", "1, 1"),
            Username = table.Column<string>(type: "nvarchar(max)", nullable: true),
            Email = table.Column<string>(type: "nvarchar(max)", nullable: true),
            UserType = table.Column<string>(type: "nvarchar(max)", nullable: false),
            CGPA = table.Column<string>(type: "nvarchar(max)", nullable: true),
            Major = table.Column<string>(type: "nvarchar(max)", nullable: true),
            Designation = table.Column<string>(type: "nvarchar(max)", nullable: true),
            Speciality = table.Column<string>(type: "nvarchar(max)", nullable: true)
        },
        constraints: table =>
        {
            table.PrimaryKey("PK_TPHUsers", x => x.Id);
        });
}